Answer: Extinctions greatly shape the biodiversity we see.
Explanation:
Mass Extinctions occurs when some massive climatic and natural conditions wipes away a certain specie of living organism.
Mass extinction is believed to be the reason why many animals can't be seen on Earth today, animals such as: dinosaurs, mammoth, Tasmanian tiger, West African Black Rhinoceros, dodo have all gone extinct.
Therefore Extinctions greatly shape the biodiversity we see today, and humans are saddled with the responsibility of preserving our current biodiversity we have.
All but one of the following properties of Uranus's rings makes them different from the rings of Saturn. Which property is the same for both planets?A) They are very narrowB) They are widely spacedC) They are very thinD) They are very dark
Answer:
D) They are very dark
Explanation:
The outermost ring of the planet Uranus turns out to have a bright blue color making it only the second blue ring to be found in the solar system. The first circles the planet Saturn. Both the colour of these rings are associated with small moons which could be as a result of subtle forces acting on dust. The outer ring of Saturn is blue and has [the moon] Enceledus in its brightest spot. Urans on the other hand has its blue ring right on top of [the moon] Mab's orbit
BLANK involves aspects of food such as principles of food processing and strategies to improve food and nutritional value for public, while BLANK is its application for the selection, preservation, processing, packaging, and distribution of safe foods.
Answer:
Food production system involves aspects of food such as principles of food processing and strategies to improve food and nutritional value for public, while food system is its application for the selection, preservation, processing, packaging, and distribution of safe foods.
Explanation:
Food production system involves feeding population growth, packing, consumption, marketing, disposal, harvesting and food related items. It is also based on input need and output generated. All around the world countries are achieving sustainable development goals. Many countries plays key role in food system. They also achieve social economic goals by food system.Answer:
Food Science
Food Technology
Explanation:
PLATO
This is the name of the area that is made up- among other countries- albania
Answer:
Southeast Europe or The Balkans
Explanation:
Albania is on of the countries that makes up the region known as Southeast Europe. It's neighboring countries of Greece, Macedonia, Kosovo, and Montenegro are also form part of this region.
More specifically, Albania is considered to be a Balkan nation. This implies not only geographical location, but also culture and political ties with the other states of the region.
What is one result of the tectonic activity between the nazca plate and the south american plate
Answer:
The formation of the Andes Mountain Range.
Explanation:
They are the result of the subduction of the Nazca plate under the South American plate. They were formed at the end of the Cretacic period, during the Mesozoic era.
The Andes Mountain range forms a continuous highland for over 7000 km, and goes through 7 countries, making them the largest continental mountain range in the world.
Which of the following is NOT associated with sedimentary rocks? Group of answer choices cementation fragmented parts of preexisting rocks extrusion of magma stratification skeletal remains of coral
Answer:
The correct answer is extrusion of magma.
Explanation:
Extrusion of magma is not a type of sedimentary rocks, but a type of igneous rock.
Sedimentary rocks are mainly composed of sediments deposited from air or water, while igneous rocks make it from molten magma.
The process of formation of extrusive rocks is carried out when the hot magma coming from inside a volcano, it comes to the surface through cracks, and when it reaches the surface of the earth it cools quickly, hardening and forming this type of rocks .
It can also happen that on its way out, magma melts other rocks, and when all this cools it forms this new type of rocks.
On the other hand, sedimentary rocks are formed by small particles of minerals or other rocks that go through processes in which a rock is broken, transported by ice, water or wind and after several processes it becomes a new rock.
Select the best ending to the following statement: The tides are considered an example of shallow-water waves because the tidal bulges have a wavelength that is on the order of __________.
Answer:
thousands of kilometers.
You have just bought your dream home along a coastline, but you notice that the beach in front of your new house is slowly disappearing. You decide to solve this by building a groin. Winds blow predominantly from east to west, so where do you place your groin? Group of answer choices
Answer:
The groin should be built perpendicular to the shore, and to the west of your house.
Explanation:
The groin will prevent beach erosion over time. And will help to stabilize the beach, if built correctly.
The winds will speed up the longshore drift process, and that is why the groin must be built to the west, to trap the sand and sediments before its washed away.
A beach groin is expected to last for about 40 to 50 years, so the problem would be solved for at least your entire generation.
Assume that you have just examined several flat-lying sedimentary layers. After much study you determine that there is a considerable span of time for which no sedimentary rock layer exists at this site. You have just discovered a(n) __________.
a. angular unconformity
b. series of conformable strata
c. disconformity
d. example of cross-cutting relationships
Answer: c. disconformity
Explanation:
Disconformity is a type of unconformity between parallel layers of sedimentary rock indicating interruption of sedimentation. It maybe caused by erosion or a period of no deposition. Therefore, on the site above the considerable span of time for which no sedimentary rock layer exists is an example of disconformity.
Two, small, poorly drained lakes lie close to each other in a northern forest. The basins of both lakes are composed of the same geologic substratum. One lake is surrounded by a dense Sphagnum mat; the other is not. Compared to the pond with Sphagnum, the pond lacking the moss mat should have:
A) lower numbers of bacteria.
B) less-acidic water.
C) reduced oxygen content.
D) reduced rates of decomposition.
Answer:
The correct answer is C)
Explanation: The lake with no Sphagnum mat has less disolved oxygen. The moss is a plant which generates and liberates oxygen as part of its metabolism. The oxygen disolves into the whater of the lake which has this Sphagnum mat, giving it a higher concentration of disolved oxygen than the other one.
The first major city in the western hemisphere was located in which country?
Answer: Mexico City in Mexico
Explanation: Mexico City is a city located in current day Mexico. The city has been inhabited from as early as 100AD.
The Toltecas were among the earliest inhabitants of Mexico City, among its early inhabitants were the popular Aztech tribe with their early forms of Technology.
El Niño Choose one:
A. involves eastward-flowing warm surface currents that suppress the upwelling of nutrient-rich cold water along the coast of South America.
B. occurs when low pressure moves westward away from South America.
C. is regulated by air pressure cells shifting back and forth across the Atlantic.
D. can cause temporary climate changes on a 14-year cycle.
El Niño involves disrupting the usual upwelling of cold, nutrient-rich water along the South American coast due to eastward-flowing warm surface currents. Therefore, option A is correct.
El Niño is a climatic phenomenon akin to nature's intricate tango, where normally cold, nutrient-rich oceanic waters off South America succumb to the allure of warm, eastward-flowing currents.
This rhythmic disruption leads to atmospheric intricacies, triggering widespread shifts in weather patterns worldwide. Characterized by altered ocean temperatures and atmospheric pressures, El Niño orchestrates a symphony of climatic anomalies, affecting everything from torrential rains to parched landscapes.
Its far-reaching impact illustrates Earth's interconnected climatic dance, offering a vivid reminder of nature's delicate equilibrium and the profound influence oceans wield over our planet's meteorological performance.
Therefore, option A is correct.
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Final answer:
El Niño involves the eastward movement of warm water across the Pacific, reducing the upwelling of cold, nutrient-rich water and affecting global weather patterns.
Explanation:
The phenomenon known as El Niño is characterized by the eastward flow of warm surface currents in the Pacific Ocean toward South America. This disrupts the normal upwelling of nutrient-rich cold water along the coast, which has various ecological and climatic consequences. During an El Niño-Southern Oscillation event, the trade winds weaken or even reverse, pushing the warm water eastward, which inhibits the normal upwelling process. This can lead to a dramatic drop in marine productivity due to the lack of nutrients reaching the ocean surface, which impacts fish populations and other marine life. El Niño events also influence global weather patterns, causing heavier rains and drought in different regions across the world.
Which of the following is a desert most likely to have? Choose one: A. high transpiration rates B. a location at latitude 60° N C. a location at latitude 30° N or S D. low evaporation rates
Answer:
It will be C. a location at a latitude of 30 degrees north or south.
Conventional tillage changes the porespace distribution of soil used for agricultural production compared to a similar soil under native vegetation. Generally, following tillage, the volume of macropores is greater in the agricultural soil. This is a permanent change in macropore volume that remains long after tillage has ended. Select one:a. True b. False.
Answer:
The correct answer is False.
Explanation:
The soil has many beneficial characteristics, such as the ability to retain water that falls from rain or river overflows to avoid flooding and its good infiltration rates, good soil pores and density.
When farmers tillage on the soil, this quality drops dramatically, because the soil fractures and erodes.
The force with which the rain falls is stopped by crop residues, which are reduced when the soil is tilled.
With the lack of these residues the particles found in the soil move and are placed on the pores of the soil, obstructing them which implies a negative action in the process of water infiltration.
Therefore, all the good qualities of the soil are negatively affected by tillage.
What is the most common type of vegetation in southwest and central asia
Answer:
Desert Scrub.
Explanation:
Desert Scrub normally refers to a desert biome. However, it can also be used to describe several types of plants that grow on these habitats, such as the creosote bush or the rabbitbrush, and others.
These types of plants are capable of withstanding environments with very little precipitation like the southwest and central regions of Asia, which is mostly covered by great extensions of desert biome.
"One of the most important observations in the history of astronomy was the one by Edwin Hubble that established that there are other galaxies, quite removed from the Milky Way. How did Hubble show this
Edwin Hubble used telescopic observations to determine that the Andromeda Nebula was a distant galaxy, leading to the discovery that the universe contains other galaxies. He also observed the relationship between galaxies' velocities and their distances, concluding that the universe is expanding, which was pivotal in establishing the Big Bang Theory.
Edwin Hubble's groundbreaking observations in the field of astronomy revolutionized our understanding of the universe. In the 1920s, using the powerful telescopes available at the time, Hubble determined that the Andromeda Nebula was actually a galaxy over 2 million light-years away, tremendously further than any distance previously measured. This led to the realization that many nebulous objects in the sky were not gas clouds within the Milky Way but were distant galaxies composed of billions of stars.
Furthermore, Hubble's continued research led him to observe other galaxies, measure their distances, and note various properties about them. His most profound discovery, however, was the relationship between the galaxies' distances and their velocities. He observed that galaxies farther apart from each other were moving away faster, leading him to conclude that the universe was expanding. This observation, along with his other findings, played a pivotal role in shifting the scientific consensus towards the idea of an expanding universe, paving the way for our current understanding of cosmology and the Big Bang Theory.
Near the shore, waves of transition begin to "feel bottom" and, as a result, the orbits of the water molecules in the wave become more __________. This process eventually causes __________ to form.
a. elliptical; swells
b. circular; breakers
c. circular; swells
d. elliptical; breakers
Near the shore, waves of transition begin to "feel bottom" and, as a result, the orbits of the water molecules in the wave become more elliptical. This process eventually causes breakers to form. Thus the correct option is D.
What are waves of transition?Waves that travel in liquid at depths larger than a twentieth of the wavelength but less than half the length are known as transitional waves. It denotes a more condensed set of Transition-related tasks that must be carried out or done.
The waves are refracted as they begin to "feel bottom," change in wavelength, and speed as they travel diagonally toward the shore. As where the wave crest hits shallow water, the wave bends in this direction.
Therefore, option D is elliptical; breakers are appropriate.
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The current account is the record of receipts from _____ other countries
Answer:
The current account is the record of receipts from a nation's transactions of trade of goods and services with other countries.
Explanation:
The current account is responsible for documenting the economic transactions between one nation and another.
This includes trade in goods, profits, investments and payments of a nation for a certain period of time.
A surplus is the term used for an account whose result is positive, and a deficit is the opposite, a negative result that the nation obtains from import and export transactions.
These balances, whether negative or positive, will have an opposite balance, which will be the balance of the capital account, where there will be a record of the investments and changes in the central bank's reserves.
If a country makes an export, then it will receive a credit balance. If they make an import, it will be a debit balance.
Food, language, religion, and art are all examples of how modern Mexico is a blend of ________________ and ____________________ influences.
Answer:
Spanish, Indigenous
Explanation:
Modern Mexico is a completely mixed or mestizo society with a culture that reflects both the European and Amerindian heritage of the nation. The toponyms around the country are named not only after sites in Spain, but after Aztec gods and Mayan deities.
The food is an eclectic blend of Mediterranean cuisine and a rich Amerindian palette that has given names like chocolate, mole, and avocado to the world.
Listed following are several astronomical objects. Rank these objects based on their diameter, from largest to smallest. (Note that the neutron star and black hole in this example have the same mass to make your comparison easier, but we generally expect black holes to have greater masses than neutron stars.)
A typical (one-solar-mass) white dwarf star is approximately the same size (diameter) as _____.
a. the sun
b. earth
c. saturn
d. pluto
e. a small asteroid
Answer:
The EarthExplanation:
A white dwarf star typically has a diameter similar to the of the Earth, which is an order of magnitude smaller than the diameter of the Sun.
The listed objects from largest to smallest would be:
The Sun Saturn Earth Plutoa small asteroidThe Sun is a main sequence star. Saturn is a gas giant with an extensive system of rings and moons. Earth is a rocky planet. Pluto is a dwarf planet. A small asteroid is a remnant of the materials leftover from solar system formation that did not coalesce to form planets.
Which of the following factors could explain a gradual warming trend in a planet's climate?
A) a decreasing albedo.
B) a decrease in the amount of greenhouse gases.
C) a decrease in the brightness of the Sun.
D) a major volcanic eruption that increases the albedo of the planet by making clouds.
E) none of the above.
Answer: I think the correct answer is E) none of the above.
Explanation:
A gradual warming trend in a planet's climate can be explained by a decreasing albedo, which means the planet is absorbing more solar radiation due to a reduction in surfaces that can reflect sunlight.
The question asks which among the given options could explain a gradual warming trend in a planet's climate. The correct answer is A) a decreasing albedo. Albedo refers to a surface's ability to reflect sunlight. A decrease in albedo means that a planet is absorbing more solar radiation, leading to a warming trend. This can occur through natural changes such as the melting of ice caps or human activities like urbanization that replace reflective surfaces with darker, heat-absorbing materials. Unlike the cooling effects of aerosols from volcanic eruptions, as mentioned in option A, a decreasing albedo contributes to warming. In contrast, a decrease in greenhouse gases or the brightness of the Sun would lead to cooling, not warming.
what kind of economic system does morocco have?
Answer:
diversified, free, open-market system
Explanation:
How does erosion affect streams?
Answer:
Erosion affects waterways in different manners. If it is high, particles produced by erosion go to river banks or river beds. Many places will be under water if there´s a flood. Erosion also may affect river navigation because it can cause deposits of solid particles that alter a canal´s depth or shape.
Explanation:
The Spratly Islands are small and barely above water at high tide, but they are geopolitically important. Many countries in the region and beyond, including the Philippines, Malaysia, Brunei, Vietnam, China, and Taiwan, have claimed territory here. Why are these islands geopolitically significant?
Answer:
The Spratly Islands are geopolitically significant because of the oil and natural gas deposits found in the bed of its territorial waters.
Explanation:
The Spratly Islands are an archipelago in the southwestern part of the South China Sea. The islands do not have a resident population, ports or harbors, but there are four airports. Currently, the archipelago is used as a fishing area.
The territory of the islands is disputed by six states: Vietnam, China, Taiwan, Malaysia, the Philippines and Brunei. Despite their tiny size, the islands of the archipelago are important in terms of presence in the region. In addition, studies indicate the presence of a significant amount of oil and gas. According to the US Department of Energy, up to 5.4 billion barrels of oil and up to 55.1 trillion cubic meters of natural gas are concentrated in the Reed Bank area of the archipelago.
About 45 islands are occupied by relatively small military contingents from Vietnam, China, Malaysia, the Philippines and Taiwan. The Brunei fishery area includes the southern reef, but Brunei has not made any official territorial claims.
What are hierarchy and balance?
A. The rules for organizing societies of geographers
B. Guidelines for creating a beautiful and functional map
C. Recommendations for human - environmental interaction (HEI)
D. The motto of the American Geographical Society
"Guidelines for creating a beautiful" and "functional map
" are "hierarchy" and "balance".
Option: B
Explanation:
Hierarchy is one of the major objectives used while creating an understanding and meaningful map. It acts as a visual separation while creating map which separates the map into several layers of information or places. So due to hierarchy one can differentiate roads, hills, water, etc, Balance on the other hand is included to organize the map and the other elements that is required on the page.
According to Milutin Milanković, which of the following are a contributing factor to ice-age cycles? Choose one: A. increased amounts of volcanic ash B. variations in the shape of the Earth's orbit C. variations in ocean temperature D. sunspot cycles
Answer:
not sure, but most likely answer b: variation's in the shape earth's orbit
Explanation:
Answer:
B. variations in the shape of the Earth's orbit
Explanation:
Ice age cycles according to Milutin Milanković who was a Serbian geophysicist and climatologist can be defined as the glacial and interglacial cycles or periods which occurs due to the unsteady movement of the Earth in its orbit. This unsteady movement resulted in a change in way solar energy was been distributed on the surface of the Earth.
The ice age cycles are referred
to as Milutin Milanković cycles. The ice age cycles according to Milutin Milanković has two cycles, the shorter cycle is for an average of 100,000 years while the longer cycle is for an average of 413,000 years.
These ice age cycles are important because they have an effect on the Earth's climate. Such effects include
a. The way ice is been formed on the earth.
b. The distribution of solar energy from the sun or the amount of sunlight exposure to the regions on the earth.
One of the factors contributing to the ice age cycles is the variations in the
shape of the Earth's orbit.
1. Fossils on continents that are now separated by ________ support the theory of continental drift.
2. Continents closer to the equator have warmer climates, yet fossils of ______________ have been found on islands near the North Pole. This supports the idea that islands drifted from the equator.
3. Coalfields in ____________ match those found in North America, supporting the theory of continental drift.
Answer:
Oceans, tropical species, europe
Explanation:
The continental drift theory put forward by the Alfred Wegner stare that the continental land got separate by the drifting of the plates that the oceans mas as they were close together in the form of a supercontinent, and are now separated by the large ocean bodies like that of the Jigsaw fit. The tropical species that were found in the equatorial belt s are now found in the island that is near to the place the dominance of the movement of the tectonic forces and the flight to poles explained in his theory. The coalfields that found in North America are similar to that of the European landmass that got separated and drifts away. Thus the S shape of the atlantic oceans is characteristic of this.Fossils on continents that are now separated by oceans support the theory of continental drift.
Continents closer to the equator have warmer climates, yet fossils of tropical species have been found on islands near the North Pole.
Coalfields in Europe match those found in North America, supporting the theory of continental drift.
What does Continental Drift show ?The theory of continental drift states that the continents were once joined together in a single landmass, called Pangaea. Over time, Pangaea broke apart and the continents drifted to their current positions.
The fossils of tropical plants and animals on islands near the North Pole provide evidence that these islands were once located closer to the equator. This is because these plants and animals could not have survived in the colder climate of the North Pole.
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Which of the following statements best explains why a city on the windward side of a mountain gets more precipitation than one on the leeward side of the mountain ?
A.Cool, dry air descends and looses its moisture
B. Cool, dry air rises and looses its moisture
C.Warm, moist air rises and looses its moisture
D.Warm, moist air descends and looses its moisture
Since 2004, when storm waters introduced Pacific carp to Hoffman Lake, the lake’s population of smallmouth bass has decreased by nearly one third. In the same time period, the lake’s population of sand trout has decreased by approximately 40%. Still, Hoffman Lake is home to more sand trout than to any other type of fish.
Which of the following must be true on the basis of the statements above?
A) In 2004, there were more sand trout than any other type of fish in Lake Hoffman.
B)At some point there were more sand trout in Lake Hoffman than smallmouth bass.
Answer: B
Explanation: The lake's population of smallmouth bass was decreased by 33.33%
Which the lake's population of sand trout was decreased by 40% within the same time period, with the population of sand trout still more than that of the smallmouth bass regardless of the obvious percentage decrease, it is evident that at every given point during this time period, the population of sand trout was always more than that of the smallmouth bass.
In 2004, there were more sand trout than any other type of fish in Lake Hoffman, but it is not necessarily true that there were more sand trout than smallmouth bass at some point.
Explanation:Based on the given statements, we can determine that the population of smallmouth bass in Hoffman Lake has decreased by nearly one third since 2004 due to the introduction of Pacific carp. Additionally, the population of sand trout has decreased by approximately 40% in the same time period. Despite these decreases, it is stated that Hoffman Lake is still home to more sand trout than any other type of fish.
Therefore, it must be true that in 2004, there were more sand trout than any other type of fish in Lake Hoffman (Option A).
However, it is not necessarily true that at some point there were more sand trout in Lake Hoffman than smallmouth bass (Option B). The statements do not provide enough information to determine the relative populations of sand trout and smallmouth bass before or after 2004.
What was the first ocean the caspian sea lost connection with
Answer:
The Pacific ocean.
Explanation:
The Caspian sea is actually a lake, a remnant of an ancient ocean during the mesozoic, the Tethys Sea. This served as a connection between Pacific and Atlantic oceans. Later on, as the continental platforms changed locations, it lost contact with the pacific ocean at first, then with the atlantic, and it became an isolated water body.
Use the drop-down menus to answer each question. Which scale has 12 levels of intensity? Which scale is most useful for earthquakes of all sizes and distances? Which scale is good for small nearby earthquakes but not as useful for larger or distant ones? Which scale takes into account the movement of rocks along fault lines? Which scale rates earthquakes based on the amount of damage they cause?
Answer:
1. mercalli scale
2.moment magnitude scale
3.Richter scale
4.moment magnitude scale
5.Mercalli scale