Answer:
First trophic level
Explanation:
The energy distribution among the trophic levels varies greatly. In general, we can say that the lower the trophic level is, the more energy it has, and the higher the trophic level is, the less energy it has.
This same principle goes for the population size in the trophic levels as well. The lower the trophic level is, the higher the population is, the higher the trophic level, the lower the population is.
These two things are connected. The populations in the lower trophic levels are higher because there is much more energy, while the populations in the higher trophic levels have lower populations because the energy available is much smaller.
The first trophic level has the highest populations by far, and the reason behind it is that the organisms of this trophic level are actually able to produce their own food, thus energy.
The first trophic level, consisting of producers, contains the largest population of organisms in an ecosystem due to direct energy from photosynthesis and the energy loss at higher levels.
First trophic level: Contains producers that convert solar energy into chemical energy via photosynthesis. They support all other trophic levels.Second trophic level: Consists of primary consumers (herbivores) that eat producers.Third trophic level: Made up of secondary consumers (carnivores) that eat primary consumers.Fourth trophic level: Includes tertiary consumers (higher-level carnivores) that eat secondary consumers.Fifth trophic level: Contains quaternary consumers, although such levels are rare in nature.Generally, fewer organisms occupy higher trophic levels due to the decrease in available energy. Each trophic level loses approximately 90% of the energy from the previous level, so fewer organisms can be sustained. This is why producers at the first trophic level have the largest populations.
Question 3(Multiple Choice Worth 3 points) What is most likely true about a rock that contains small mineral crystals? . The rock is igneous. II. The rock cooled quickly. III. The rock cooled on earth's surface. I only Il only Ill only I and Il only I, II, and lI
Answer:
Option (4)
Explanation:
The igneous rocks are formed due to the crystallization of magma at or below the earth's surface. These rocks are comprised of minerals (crystals) that usually ranges from fine-grained to coarse-grained in terms of size. The size of these crystals are directly related to the cooling rate of magma. If the rate of cooling is fast, then it produces fine-grained crystals. Whereas, if the rate of cooling is slow, then it produces coarse-grained crystals.
The magma when comes out to the earth's surface, it cools immediately. As a result of which coarse grained crystals are formed.
Thus, the fine grained crystals are generally formed in the intrusive igneous rocks such as granite where the finer crystals are formed due to the faster cooling rate of magma.
Hence, the correct answer is option (4).
How might early maritime travel and trade have been shaped by atmospheric circulation?
Answer:
Maritime navigation and trade have been shaped by the flow of atmosphere circulation.
Explanation:
In ancient times saling was instrumental for civilizations, around 1000 BC china, south Asia and the middle east introduced sailing techniques they inventing trading techniques. The introduction of banana, sugarcanes to various islands was only possible through ships and various vessels. Viking's the used the longships made of iron and multiple planks that endured the heavy seas for transportation and as the period of the age of discovery during the 17th century European traveled the world for the search of food, and lands to conquer For this they need to have maps of the temporary maps of the landmasses, and which was not possible without the discovery of the oceanic routes and various realms were discovered by the direction of the winds as these travellers used to navigate under the naked skies at night the direction of stars and sun also helped them drift path. Some based their observations there on the basis of astronomical data collected from the triangulation surveys.why can't high quality energy resources such as oil be recycled?
Answer:
Oil is one of the most efficient and widely used energy resources. These are fossil fuels. When the ancient plant and organisms dies they accumulates at the bottom of the seas, which are then covered by the sediments such as mud and sands, forming various rock layers. These trapped organisms an plants after millions of years turn into fossils, by undergoing the fossilization process. These are non-renewable energy resources or conventional sources of energy. In addition to oil, coal, petroleum and natural gas are also some examples of non-renewable energy.
Thus, the high quality resources or energy such as oil, petroleum and natural gas cannot be recycled.
if you start at the equator and travel to 10 degrees North latitude, approximately how many miles North of the equator will you be? Take the circumference of the Earth to be 24,900 miles. show calculations.
Answer:
691.666 miles north of equator will be
Explanation:
We have given circumference of the earth = 24900 miles
It is given that someone starts at the equator and travel to 10° north latitude
We know that if we complete one whole round of earth then we travel 360°
And we also know that 1 complete round is equal to the circumference of the earth
So in completing 360° we travel 24900 miles
So for 10° =[tex]24900\times \frac{10}{360}=691.666miles[/tex]
So 691.666 miles north of equator will be
Which of the following formulas would you use to convert a temperature initially taken in degrees Fahrenheit to degrees Celsius?
Question 57 options:
C = F – 273
C = 9/5F + 32°
C = 5/9(F - 32°)
C = 5/9F - 32°
Answer:
C = 5/9(F - 32°)
Explanation:
If we compare the farenheit degree scales with the celsius degree scale, we find that the intervals between the same reference points are 180 ° farenheit and 100 ° celsius. 180 degrees farenheit are needed to cover the same temperature range of 100 degrees Celsius. From this information the unit factors of temperature change can be established.
Factor: 1 °C/1.8°F= 5/9
Also, to convert from ° F to ° C, we must subtract 32 degrees farenheit to reach the zero point of the celsius scale.
Then, the correct formula is:
C = 5/9(F - 32°)
Question 1 2 pts The answer to combat climate change is: Generate electricity from renewables All of the options given here Shift all our energy use to electricity Conservation and sustainability mindset
Answer:
As indicated by the IPCC, human-caused an unnatural weather change is driving atmosphere changes affecting both human and regular frameworks on all landmasses and over the seas.
Explanation:
Human-caused an unnatural weather change results from the expanded utilization of petroleum derivatives in transportation, assembling and interchanges.
The answer to combat climate change is: Generate electricity from renewables All of the options given here Shift all our energy use to electricity Conservation and sustainability mindset
Answer:
Conservation and sustainability mindset
Explanation:
Conservation and sustainability mindset is the answer that will allow us to combat climate change. Climate change occurs due to a variety of factors, but these are all linked to the irresponsible use of resources by humans. Climate change is allowed to continue because people do not think in a way that prioritizes sustainability, nor do they think about future generations. However, if they did, we would be a lot more likely to stop the threat of climate change.
On the winter solstice of the northern hemisphere, the subsolar point is located at____.
Question 28 options:
the Equator.
the Tropic of Cancer.
the Tropic of Capricorn
the Arctic circle.
Answer:
Option (3)
Explanation:
During the winter solstice in the northern hemisphere, the orientation of the earth axis is that it is tilted in the direction opposite to the sun. This means that during this time, the north pole is at the farthest distance from the sun which represents the darkest day of the year. It can occur on any of this dates, such as 20th, 21st, 22nd or 23rd of December every year.
The subpolar point is defined as the location on earth where the sun is directly overhead. This means that the light emitted from the sun strikes on earth exactly at 90°.
Thus, during this winter solstice, the sun is directly overhead in the tropic of capricorn.
Hence, the correct answer is option (3).
Q5: Which of these constitutes geologic evidence that Arizona has been wetter in the past than it is today?
a. Fossil dinosaur trackways.
b. Granitic rocks exposed deep in Grand Canyon.
c. Halite and gypsum deposits.
d. Mineralized rocks in fault zones that bound basins.
Answer:
D. Mineralized rocks in the fault zones that bound basins.
Explanation:
The geology of Arizona starts with the formation of the Precambrian period. When igneous and metamorphic rocks were overwritten by Yavapai and Mazatzal orogenies in the Proterozoic era. The Grenville orogeny in the east caused Arizona to fill with the sediments filling a shallow sea. The region oscillated between the terrestrial and shallow oceanic conditions during the paleozoic era multicellular life became common. The limestone forming a shallow sea, stare caves and important ore deposits, and marine deposits were common at this period. Arizona thus had extensive mineralization in veins, due to hydrothermal fluids.Listed below are motions of the Sun that you might observe in your local sky on particular dates. Place each in the correct bin corresponding to whether you would see this motion everywhere on Earth, nowhere on Earth, only in the Northern Hemisphere, or only in the Southern Hemisphere. Ignore the North and South poles.
(A) At high latitudes, Sun never rises on December solstice
(B) Sun reaches zenith (altitude 90 degrees) every day at noon
(C) At high latitudes, Sun never sets on December solstice
(D) Sun traces shortest path across local on June solstice
(E) Sun rises due east and sets due west
(F) Sun is above horizon for the longest on March equinox sky time on December solstice
(G) Sun reaches highest point in local sky on June solstice
(1) True everywhere on Earth
(2) Not true anywhere on Earth
(3) True for Northern Hemisphere
(4) True for Southern Hemisphere
At high latitudes, Sun never rises on the December solstice. At high latitudes, Sun never sets on the December solstice. Sun traces the shortest path across the local sky on the June solstice all are true for Northern Hemisphere.
The Sun never rises on the December solstice at high latitudes. The sun never sets on the December solstice at high latitudes. On the June solstice, the sun travels the furthest across the local sky, which is true for the Northern Hemisphere.
Every day at noon, the sun reaches its zenith (90-degree altitude). Nowhere on Earth is this true. The sun rises in the east and sets in the west. On the equinox in March, the sun is visible for the longest. Everywhere on Earth, true.
Sun never rises on December solstice in high latitudes. On the winter solstice in high latitudes, the sun never sets. On the June solstice, the sun follows the shortest path across the nearby sky. Applied to the Northern Hemisphere.
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Which of the following is Not a Greenhouse Gas?
Question 42 options:
CO2
N2
Ozone
CH4
Answer:
N₂
Explanation:
The primary greenhouse gases in the atmosphere are carbon dioxide, methane, nitrous oxide, water vapour and ozone. These gases allow sunlight to reach the Earth's surface unhindered. The sunlight heats the surface. The heat as infrared reradiated to the atmosphere, the greenhouse gases absorb the heat energy. They do not allow heat to escape back trapping' the gases in the lower atmosphere.
Nitrogen is an inert gas present in the atmosphere is about 78%.
Only some nitrogen-fixing bacteria such as Rhizobium which fixes atmospheric nitrogen into the soil.
Thus, N₂ (nitrogen) is not a greenhouse gas.
Which of the following is TRUE? Which of the following is TRUE? Southern Hemisphere temperatures are more strongly dominated by continentality than are Northern Hemisphere temperatures. The Northern and Southern hemispheres are dominated equally by continentality. The Northern and Southern hemispheres are dominated equally by maritime influences. Northern Hemisphere temperatures are more strongly dominated by continentality than are Southern Hemisphere temperatures.
Answer:
Northern hemispheres are dominated by continentality than southern hemispheres
Explanation:
Northern Hemisphere also called s the land hemisphere, due to this reason the northern part of the earth has more of temperature as the rivers and other bodies of water are dominant more in the southern hemisphere owning to this the southern face of the earth is cooler comparatively. Northern part experience heats more often due yo the influx of rivers and salinity raised by the continents as compared to that of the southern counterparts, which offer more mobility, and less salinity. The water hemisphere has only 1/8th of landmass covering 89% of the globe. Thereby experiencing strong horizontal winds in motion and cool geosynclinal patterns.Which individual activities and
choices do you find most harmful to the environment and
why?
Answer:
Some of the individual activities are overexploitation or overutilization of resources.
Explanation:
Humans influence the natural environment to large extends some times beyond repairs as their consumption and production are both ways harmful to the environment, as the industries and manufacturing sector have alone contributed to large scale pollution over the land and water sphere. Large scale exploitation of resources and overuse have resulted in depletion and mass extinctions of species and as a result, have downgraded the performance of the earth's natural ecological systems to bounce back. Use of agricultural HYV seeds have destroyed soil productivity and damaged the flow of nutrient from the soil. Also, the use of artificial pesticides and greenhouse gases have punctured the entire ozone-producing gas and thereby have created climate havoc on the earth's surface.The concept that the natural world should be treated with the same respect as man-made achievements such as pyramids and cathedrals is associated with a ________.
a. conservation ethic
b. biocentric ethic
c. relativist ethic
d. preservation ethic
e. universalist ethic
Answer: a. conservation ethic
Explanation:
The conservation ethics emphasis over the protection and preservation of the natural world that includes forests, fisheries, natural habitats and biodiversity. It emphasis over the use, allocation, protection and exploitation of resources in such a manner that it does not affect the natural world. It emphasis over the fact that the resources should be preserved in the same manner as that of the man-made things such as pyramids and cathedrals.
The concept that the natural world should be treated with the same respect as significant man-made structures aligns with a preservation ethic, which values nature intrinsically, comparable to a biocentric ethic that considers all life as inherently valuable.
Explanation:The concept that the natural world should be treated with the same respect as man-made achievements such as pyramids and cathedrals is most closely associated with a preservation ethic. A preservation ethic underlines the idea that natural environments have an intrinsic value similar to culturally significant human creations and should be preserved in their natural state. This idea contrasts with a conservation ethic, which may prioritize human use and value natural elements based on their utility.
Considering the various philosophical standpoints related to environmental ethics, biocentric ethic is another concept worth noting. It advocates that all life has intrinsic value and deserves moral consideration. This approach is life-centered and supports actions that avoid ecological damage, similar to the intention behind a preservation ethic yet distinct in its reasoning and implications.
Question 21 1 pts The puzzle presented by the history of bottled water is whether bottled water represents a rational solution to the problem of water scarcity, or whether it is an artificial market. True False
Answer: The given statement is true statement.
The puzzle presented by the history of bottled water is whether bottled water represents a rational solution to the problem of water scarcity, or whether it is an artificial market. The given statement is true statement.
Explanation:
The reason is that the packed water and its marketing shows the beauty of the natural resources how they are confined for human health but the reality is it results in drastic ecological consequences.
It was found that the production of plastics crossed nearly 2.5 million tons across worldwide for making water bottles and about 80 percent found to be in landfills. Thus to the problem of scarcity or then, it is considered as marketing trick.
which of the following is true about top predators?
a.They are likely to be herbivores.
b.Their removal increases biodiversity.
c.They are likely to be keystone species.
d.They include bacteria and fungi.
e.They are likely to be producers.
Answer:
b.Their removal increases biodiversity.
Explanation:
Biodiversity deals with the different species of life that inhabit a particular area.
When top predators which are the alpha predators in an ecosystem are removed, the population of organisms shoots up.
Top predators typically reside at the top of the trophic level and they keep the population in check. When they are removed, the population can grow in any pattern.
Top predators are likely to be keystone species and their removal can lead to a decrease in biodiversity.
Explanation:The correct option is c. They are likely to be keystone species.
Top predators are animals that are at the highest trophic level in a food chain or food web. They play a crucial role in maintaining the balance and stability of ecosystems.
As keystone species, their removal can cause a cascade of effects throughout the food chain, leading to a decrease in biodiversity and ecological imbalance.
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discuss the nature of fronts and how it applies to the earths weather. Show me facts such as cold front, warm front, stationary front, occluded front, Slope, size, speed and types of clouds
Answer:
As explained below.
Explanation:
A weather front is a layer separating two types of air masses of different densities. Depending on the type of front the air mass is characterized by humidity and temperature. As cold and occluded fronts generally form in the west to east direction, while warm fronts move polewards due to the densities of the air masses. When two fronts of opposing nature collide it leads to the formation of cloudiness or precipitation and there place of collision is marked by the formation of a shearling. Cold fronts are marked by a blue line and bring heavy thunder and rain, thus associated with low-pressure areas. A cold front pushes the warm front upwards making a cyclic pattern. Warm is light and is found in areas of high pressure and occluded fronts are formed when this air, is pushed upwards forming a slope. And the stationary front is a boundary that separates the two air masses. Expressed by the spacing of isotherms. Various types of clouds like Straus and stratus cumulus and nimbostratus.Answer:
The other person is correct
Explanation:
A weather front is a layer separating two types of air masses of different densities. Depending on the type of front the air mass is characterized by humidity and temperature.
As cold and occluded fronts generally form in the west to east direction, while warm fronts move polewards due to the densities of the air masses. When two fronts of opposing nature collide it leads to the formation of cloudiness or precipitation and there place of collision is marked by the formation of a shearling.
Cold fronts are marked by a blue line and bring heavy thunder and rain, thus associated with low-pressure areas. A cold front pushes the warm front upwards making a cyclic pattern.
Warm is light and is found in areas of high pressure and occluded fronts are formed when this air, is pushed upwards forming a slope. And the stationary front is a boundary that separates the two air masses. Expressed by the spacing of isotherms.
Various types of clouds like Straus and stratus cumulus and nimbostratus.
I don't understand principles of constant proportions can someone explain this concept to me and how it referes to salt in seawater.
The principles of constant proportions in chemistry state that a compound will always have the same proportion of elements by mass. In the case of salt in seawater, this means that the ratio of sodium to chloride ions will be the same regardless of the location of the sample.
Explanation:Principles of Constant Proportions in ChemistryThe principles of constant proportions in chemistry state that a compound will always have the same proportion of elements by mass. This means that the ratio of the masses of the elements in a compound will always be the same, regardless of the amount of the compound.
When it comes to salt in seawater, the principles of constant proportions mean that no matter where you sample seawater from, the ratio of sodium to chloride ions will be the same. This is because the composition of salt (sodium chloride) in seawater remains constant.
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The principle of constant proportions states that the elements in a pure chemical compound are always combined in the same proportion by mass. This principle applies to the salt in seawater, which is primarily Sodium Chloride, with a consistent proportion of Sodium and Chloride. It is also exemplified in the way certain salt-loving microorganisms thrive in constant salt conditions, and in the solubility equilibrium of salt in seawater.
Explanation:The principle of constant proportions, also known as the law of definite proportions, states that in a pure chemical compound, the elements are always combined in the same proportion by mass. This principle applies to seawater and its salt content. Salt in seawater is primarily Sodium Chloride (NaCl). Regardless of the location, the proportion of Sodium and Chloride in Sea Salt is always nearly constant, approximately 39.34% Sodium and 60.66% Chloride by mass.
For example, the principle is evident in the way certain microorganisms called halophiles ("salt-loving") thrive in marine environments where salt concentrations hover at 3.5%. Extreme halophilic organisms, like the red alga Dunaliella salina and the archaeal species Halobacterium, can even survive in hypersaline lakes such as the Great Salt Lake or the Dead Sea, which are several times saltier than the ocean.
Another facet of this principle can be seen in how solubility products work. The solubility of a substance, such as salt in seawater, can vary from essentially zero to infinity, producing saturated solutions when the solubility limit is exceeded. The equilibrium between the dissolved and undissolved salt is also part of this principle of constant proportions.
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1. In a hot-spot volcanic island chain, such as the Hawaiian Islands, all islands possess active volcanoes simultaneously and therefore the risks of volcanic hazards are about the same for all islands.
a. true
b. false
Answer:
True.
Explanation:
As the volcanic islands of Hawaii are still considered to be in an active zone, as the Hawaiian islands are believed to be formed on the hotspot of eruptions ie. the active plate boundaries from below the surface these tend to move westwards direction from the main island of Hawaii. As we go from east to west the chain of rocks gets older and then forms a ring-shaped pattern hence called the ring of fire. Thus there is a great risk of volcanic hazard as these are fault lines being associated with high magnitude tectonic earthquakes. They can have a seriously damaging impact upon other islands as well and this considered to be highly hazardous. As various vents and mounds of volcanic nature lie within the oceans of the Pacific plate.The stored form of glucose in the body is called
Answer:
Glycogen
Explanation:
Animals, including humans store this glucose fat in their cells, which are quickly available for energy. The excessive is stored in the liver, if you consume some extra carbohydrates the body stores the excess in the form of glucose. Mostly consisting of protein that comes from food about 300g per day. Human glucose is metabolized by glycolysis. The use of glucose in the cell in energy form is either by aerobic respiration, food sources of glucose can range from fruits, vegetables, and pulses. In plants, glucose is a product of photosynthesis also known as starch.The stored form of glucose in the body is called glycogen.
In animals including humans, glucose is primarily stored as glycogen. It is a polysaccharide made up of numerous glucose molecules connected by branches. In order to meet the body's energy needs during fasting or physical activity, the liver and muscles store glycogen. Glycogen undergoes glycogenolysis when blood glucose levels fall dissolving into individual glucose molecules to provide energy.
In contrast a process known as glycogenesis transforms extra glucose into glycogen during times of high blood sugar such as right after eating. This dynamic control of glycogen synthesis and breakdown keeps blood sugar levels stable and gives the body a ready source of energy.
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3. What is the thickness and volume of the Earth's sedimentary rock shell in various tectonic processes?
Answer:
Earth's sedimentary rock can be explained from the crustal plates on earth.
Explanation:
Earth's most sedimentary rocks are formed in continental or land crust as the oceanic crust is made up of heavier materials such as basalt and has a density of 2.9g/cm cube. The tectonic forces that originate deep within the earth layers and the arrange of rocks found at greater depths which are responsible for the density and thickness of the continental land crust are volcanism and earthquake activity. Igneous and metamorphic rocks that form along with the sedimentary rocks in the earth's crust and areas of shallow beds close to the shores of continental shelves are of less density and less thickness and those submerged beneath this layer are those of higher mass and density. About 40 % of the earth's surface and 70 % of the continental volume is dominated by the earth's crust of terrestrial in origin. In due course of time, the mountain upliftment and isostasy formations have developed the crustal thickness.The space shuttle orbits at 248 km per hour above the earth how often do the astronauts see the sunrise in minutes
Mass of the earth 5.97 times 10 to the 24th
Radius of the earth 6800km
G = 6.67times 10 to the negative 11 m cubed kg to the negative 1 s to the negative 2
Answer:
98.13 minutes
Explanation:
Given data:
Radius of the earth = 6800km.
Hence, Total radius of satellite orbit = 7048 km (6800+248) or 7048000m.
orbital period can be determine as
[tex]T = 2\pi \sqrt{\frac{r^3}{Gme}}[/tex]
where,
r = orbital radius,
m = mass of earth
and Ge = gravitational constant.
putting all value in above equation
[tex]T = 2\pi \sqrt{\frac{(7.048\times 10^6)^3}{(6.67\times 10^{-11}\times 5.97\times 10^24)}}[/tex]
[tex]= 6.28\times \frac{350.11}{39.82} \times 10^5[/tex]
[tex]= 58.88\times 10^2 [/tex]
= 5888 sec
= 98.13 minutes
Explain at least three characteristics of the Sun that contribute to its solar activity. (please answer question in your own words, thanks so much).
Answer:
Three characteristics of the sun are
Explanation:
Solar being a giant yellow star filled with hydrogen and helium gases. It is one of the G type stars in the solar system. Sun consists of super magnetic storms that are the result of the solar flare that the sun creates due to its blasts of corpuscular energy. Sun has an 11-year cycle of sunspot activity. This cycle is a dominant feature of the sun's internal activity. Measured in wolf numbers. Solar activity causes auroras to light up the night sky on earth due to the solar winds which react with higher latitudes of the earth.Q4 Along with producing GHGs, human activity also puts many kinds of aerosols into the atmosphere. What is the sign of their radiative forcing?
Positive
Negative
Answer:
Negative
Explanation:
Aerosol -
It is the suspension of the solid or liquid particles in the air , is known as the aerosol .
The effect of aerosol is , that it reduces the amount of the solar radiations incident on the surface of the Earth , and due to this capacity to reflect the solar radiations , it has a negative impact on the Earth .
As we known solar energy are of huge importance for the human beings .
Hence , the answer is negative .
5. What objects did Galileo discover with his telescope that clearly didn't go around the Earth?
Answer:
answered
Explanation:
Galileo after discovering and observing the brightest planet of the solar system Venus, and its phases and then observing The moon and the Sun, confirmed that it was the Earth(planets) that revolved around the Sun and not the other way round.
Galileo used "spyglass" a device used to look into distant object and made it closer and larger to our eyes.
An aircraft flying from a region of lower air pressure towards a region of higher air pressure will ______altitude, and the altimeter will read an altitude _____than the plane’s true elevation, unless corrections are made to the altimeter.
lose; lower
gain; lower
lose; higher
gain; higher
Answer:
gain; lower
Explanation:
The unit of pressure is defined as 1013.25Millibars. This pressure is taken as the mean sea level. Expressed as the weight of air. Altimeter Is a device used to shoe air pressure, the distance of a point above the sea level. They are commonly used in navigation purposes and most types of altimeters are barometric. As the density of the air is lower at the higher altitudes. As the air is usually thinner at the higher altitudes. The GPS, for instance, can also provide an altimeter and used by skydivers.Do I need to think about changes to Earth's rotational axis over time when I consider the causes of seasons?
A. No, because that cycle takes 41,000 years and it is not a factor in determining seasons.
B. Yes, because changes to the axis create seasons.
C. Yes, because the tilt of the Earth's rotational axis changes with the seasons.
D. No, because the Earth's rotational axis does not determine seasons.
No, because the Earth's rotational axis does not determine seasons.
Answer:
Option (D)
Explanation:
The seasons are the most important phenomenon that occurs on earth. It occurs due to the tilting of the earth's axis of rotation. This axis of rotation is tilted at an angle of 23.5 degrees, caused due to the collision with another proto-planets in its geological time. The axis of rotation is not related to the occurrence of seasons but only the tilting of this axis is responsible for the seasons. The earth when moves around the sun with its tilt, there forms 4 types of seasons on earth, namely the summer, autumn, winter, and spring respectively.
Hence, the correct answer is option (D).
What types of geologic evidence support the existence of Pangaea?
What type of geologic evidence provides the greatest support for the hypothesis that the eastern coast of North America once joined with the western coast of Europe?
How do you think Wegener’s background as a climatologist contributed to his hypothesis that the continents were once joined?
Answer:
Evidences suggested are given below
Explanation:
Evidence given in support of the existence of Pangaea was given in Plate tectonic theory by Alfred Wegener.
1. The Jigsaw fit puzzle
2. Glacial ranges and mountain chains on various continents.
3. Formation and age of rocks, in southern hemispheres
4. Flora and Fauna evidence
Apart from this poleward moving forces and forces of the sun and the moon gravity and west wind drift have seen to be responsible for the formation of hypotheses. As he stated that the continent of South America and Africa were once part of the same Gondwana landmass, Similarly the North America eastern side and Western side of Europe were the same as the ones that were part of the Lurata i.e Northern super landmass. This can be found in the evidence given in the paleomagnetism theory. Wegener believed that the continental crust is formed from the slabs and these slab or plates are lighter in weight and float on thick liquid asthenosphere oceanic crust with the help of winds and ocean currents. Thus he concluded that rocks were once part of the supercontinent that broke with the moveGeologic evidence for Pangaea includes matching rock layers, fossils, and glacial evidence. The hypothesis of the eastern coast of North America joining with the western coast of Europe is supported by fit, fossils, and rock structures. Wegener's climatology background helped him notice similarities in climate and geological features across separated continents.
Explanation:Geologic evidence supporting the existence of Pangaea includes matching rock layers across continents, fossil evidence of similar plants and animals found in different continents, and glacial evidence including striations and till deposits.
The hypothesis that the eastern coast of North America once joined with the western coast of Europe is supported by fit of the continents like puzzle pieces, fossil evidence of similar plants and animals, and matching rock structures.
Alfred Wegener's background as a climatologist contributed to his hypothesis by observing that areas with similar climates, such as coal deposits in Antarctica, existed on continents that are now widely separated. This led him to consider the idea of continental drift, suggesting that these areas were once connected.
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Question 8 2 pts Using the Stefan Boltzman law, what is the energy emitted by the sun in Watts Per Meter Squared (Wm 2), assuming the sun has a temperature of 6000 K?
Answer:
73,483,200 W/m^2
Explanation:
BY the stefan Boltzman law the energy radiated by a body is propotional to fourth power of its absolute temperature. Sun is considered to be black body,hence ts emisivity is one.
E= σT^4
σ= Boltsman constant = 5.67×10^(-8)
putting values we get
[tex]E= 5.67\times10^{-8}\times6000^4[/tex]
= 73,483,200 W/m^2
energy emitted by the sun = 73,483,200 W/m^2
Explain how the Sun creates its energy. ( please cite, sources, and please put it into your own words, thanks so much for your help)
Explanation:
Sun is composed of plasma and hot gases . Due to the dynamo process , the magnetic field of the sun is generated .
The energy of sun is originated from the thermonuclear fusion reaction , that occurs on the surface of the sun .
Since , sun has a very strong gravity , hence the atoms of hydrogen fuse to form helium .
The reaction , i.e. , nuclear fusion , when the hydrogen atom converts to the atom of helium , the by product of this reaction is huge amount of energy , which is responsible for the energy source on the sun .
List the major factors that affect atmospheric CO2on long geological time scales. Draw a simple box model of the influences on atmospheric CO2, showing the major reservoirs and fluxes. The model does not need to be quantitative.
Carbon dioxide or CO2 is one of the main greenhouse gases that accelerates global warming.
A greenhouse is a place where a particularly cold or hot climate is maintained.
Scientifics use this analogy with gases like CO2 because what they generate is a coat that keeps the sun's rays inside the oxygen layer, so these rays enter and heat the earth, unable to escape.
Industrial factories and cars are the largest carbon emitters. It all started in the Industrial Revolution