The Earth's polar diameter is less than its equatorial diameter, making it an oblate spheroid with a flattened shape at the poles. The option (C) is correct.
Due to this bulge, the equatorial diameter is about 12,756 km (7926 miles), while the polar diameter is slightly less, about 12,714 km (7900 miles). The Earth's rotation causes this equatorial bulge, resulting in a larger diameter when measured across the equator than from pole to pole.
This asymmetry results in a flattened appearance at the poles and a bulging at the equator. This deviation from a perfect sphere is due to the planet's rotation, causing the centrifugal force to be stronger at the equator, pushing outward and flattening the shape.
Why is it difficult to determine which countries belong to Europe and which belong to Southwest Asia
Answer:
Countries like Turkey and Russia span both Europe and Asia, and countries like: Ukraine, Belarus, Latvia, Lithuania, Estonia, Moldova, Kyrgyzstan, Uzbekistan, Tajikistan, Turkmenistan, Georgia, Azerbaijan, Armenia, and Kazakhstan comprise the former Union of Soviet Socialist Republics (U.S.S.R./Soviet Union; Russia effective December 26, 1991), which as a whole spanned the continents of Europe (to the west; eastern Europe) and Asia (to the east; western Asia).
The following independent republics from those listed above that are located in Europe include: Ukraine, Belarus, Latvia, Lithuania, Estonia, and Moldova.
The following independent republics from those listed above that are located in Asia include: Kazakhstan, Turkmenistan, Kyrgyzstan, Azerbaijan, Tajikistan, Uzbekistan, Armenia, and Georgia.
In general: bodies of water (including oceans, seas, and bays) serving as separations (not borders) between two or more countries, in turn separate one continent from another on a world map.
this sounds dumb to ask but how do grasslands get their water
Found at the lowest point of a large drainage area, these seasonal, marsh-like ponds collect and store water from rain and runoff. Unlike vernal pools, playas generally fill when temperatures are unsuitable for plant growth, and often the water is salty, alkali or both.
source- google
Answer:
rain or aquifers
Explanation:
The spectrum of an exoplanet reveals significant amounts of methane with smaller amounts of ammonia. Considering this information alone, to which planet in our Solar System might we expect the exoplanet to be similar?
Answer: URANUS.
Explanation: An exoplanet can be defined as a planet that exists outside the Earth's solar system.
Now, URANUS is a planet in earth's solar system. It is the seventh planet with twenty seven known moons. It is a gas giant although most of the planets is ice, it is therefore also referred to an an ice giant to distinguish it from the main gas giants.
It contains more "ices" such as water, ammonia, and methane, along with traces of other hydrocarbons. Because of its composition of ammonia, and methane, it can be similar to the exoplanet that reveals significant amounts of methane with smaller amounts of ammonia.
Birth Rate in 2017 (per 1,000 population) Death Rate in 2017 (per 1,000 population)
Latin America 17 6
West Africa 39 11
Western Europe 10 10
Deaths in Country A often occur due to outbreaks of epidemic disease, while in Country B most people are dying from chronic disorders such as heart disease. Which of the following best describes where these countries fall in the demographic transition model and in which region they are likely located?
Answer:
Country A (Latin America) stage 2, Country B ( West Africa) stage 1, Country C (Western Europe) stage 4.
Explanation:
Country A (Latin America) is in stage 2, at this stage the, living condition of people started to improve due to better and regular diet, better medical and sanitation facilities leading to fall in the death rate. However, the birth rate will continue to be on the increase.
Country B (West Africa) is in stage 1, At this stage, birth rates are very high due to universal and early marriages, widespread prevalence of illiteracy, traditional social beliefs and customs, absence of knowledge about family planning techniques, attitudes towards children for supplementing family income etc. However, the death rates are also high due to insufficient diets and absence of adequate medical and sanitation facilities.
Country C (Western Europe) is in stage 4. The fourth stage of demographic transition is characterized by a low birth rate and a low death rate of population, leading to a stationary population. It is, therefore, known as the stage of stationary population where both the birth rate and death rate remain at a low level leading to a very little growth in population.
Plants take in carbon dioxide and release _____ gas.
oxygen because photosynthesis takes place
Plants absorb carbon dioxide and release oxygen during the photosynthesis process, transforming CO₂ and water into carbohydrates and O₂ with sunlight's energy.
Plants take in carbon dioxide and release oxygen gas. This process is known as photosynthesis, a vital function in which plants convert carbon dioxide from the air into sugars, using the energy from sunlight. During photosynthesis, carbon dioxide is absorbed and along with water, it is transformed to create carbohydrates and oxygen. The type of photosynthesis can vary among different species, where some plants, known as C₃ plants, incorporate carbon dioxide as a three-carbon molecule, while others known as C₄ plants do it as a four-carbon molecule. The carbohydrates stored in plant tissue are essential for the plant's growth and respiration, while the released oxygen replenishes the atmosphere and is critical for the survival of other organisms, including humans.
Why can’t radiometric dating be used with accuracy on metamorphic rocks?
Answer:
The two are related because the discovery of radioactivity is that it provides a way to calculate the ages of rocks and minerals that contain certain radioactive isotopes.Radiometric dating can't be used with accuracy on metamorphic rocks because the rules of superposition only apply to sedimentary rocks.
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In terms of symbolizing a geologic unit/formation, which is not true? a) The first capitalized letter stands for the system/epoch of the formation. b) The second portion of the symbol is lowercase, and represents the formation or unit.c) The formation name is symbolized by capital letters. d) Colors are often used to differentiate different geographic regions.
Answer:
C. The formation name is symbolized by capital letters
Explanation:
The capital letter represents the the age of the geological unit and not the formation name. The history of the Earth has been divided by Geologists into Eons (the largest division), Eras, Periods, and Epochs , mostly based on the fossils found in rocks.
Imagine that you were given a ship equipped with a device that could measure how deep the water is. You are asked to use this ship to find a subduction zone. What would you look for as you sailed around the world's oceans?
a deep-ocean trench
Answer:
A deep-ocean trench
Explanation:
Deep-sea trenches are known to lie seaward of and parallel to adjacent island arcs or mountain ranges of the continental margins. They are closely associated with and found in subduction zones which are locations where a lithospheric plate having oceanic crust slides down into the upper mantle under gravitational forces.
To find a subduction zone, look for deep-ocean trenches using a ship equipped with a depth measuring device. These trenches, such as the Marianas Trench, indicate where one tectonic plate is being subducted beneath another. This process is associated with significant seismic and volcanic activity, especially in areas like the Pacific "Ring of Fire."
If you were tasked with using a ship equipped with a depth measuring device to find a subduction zone, you would look for evidence of deep-ocean trenches. These trenches are typically the deepest parts of the ocean, formed where one tectonic plate is being forced below another at a convergent plate boundary. Notable examples include the Marianas Trench in the southwestern Pacific, recognized as the deepest part of the world's oceans at 11,000 m deep. Other significant trenches include the Japan Trench and the Puerto Rico and Chile-Peru Trenches. These areas are characterized not just by their extreme depths, but also by their association with high levels of seismic activity, including earthquakes, and often lie near volcanic arcs. This is because the subducting plate causes melting in the mantle, leading to volcanic activity.
The presence of a trench provides a clear indication of a subduction zone, where oceanic lithosphere is being forced down into the mantle, recycling the crust in a process that can span 2 to 3 million years. The deepest trenches are commonly associated with the Pacific "Ring of Fire," a hotbed of seismic and volcanic activity. Therefore, by charting the depths of the world's oceans and identifying the deepest trenches, one can effectively locate subduction zones.
A 1 solar mass star has finally died. How did that star move on a plot of luminosity and temperature (with temperature increasing to the left) during its lifetime before it became a white dwarf?
a. Up to the left, then back down to the main sequence, then to the upper right, then down to the bottom of the main sequence.
b. Up to the upper right, then to the left, then up to the right, then down to the bottom middle.
c. Up along the main sequence of stars.
d. Down to the bottom middle quickly.
e. Doesn't move at all
Answer:
b. Up to the upper right, then to the left, then up to the right, then down to the bottom middle.
Explanation:
The star moved up to the upper right, then to the left, then up to the right, then down to the bottom middle on a plot of luminosity and temperature (with temperature increasing to the left) during its lifetime before it became a white dwarf.
A 1 solar mass star moves along the main sequence, then up to the right as it becomes a red giant, and finally drops to the bottom middle as it becomes a white dwarf.
Explanation:The plot representing the lifetime of a star on a diagram of luminosity versus temperature (increasing to the left) is known as a Hertzsprung-Russell (H-R) diagram. The pathway of a 1 solar mass star on such diagram would be as follows:
Up along the main sequence of stars: The star spends the majority of its life doing stellar fusion, converting hydrogen into helium, and behaving as a main sequence star. Up to the right: As the star exhausts its hydrogen, it begins to fuse helium, which causes the star to expand and cool, while increasing its luminosity. This move to the red giant branch.Drop to the bottom middle: Once the helium is exhausted and no more fusion can occur, the outer layers of the star are expelled, leaving a hot, dense core called a white dwarf. This core is very hot but not very bright, so it sits at the bottom of the H-R diagram.Learn more about Star here:https://brainly.com/question/14272597
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An export processing zone is
A. another name for the top five economies in the world
B. the line that divides the world into developed and underdeveloped nations
C a region of a nation that is especially vulnerable to widespread disease
D a region of a nation that gives favorable tax rates to corporations
Please select the best answer from the choices provided.
Answer:
the answer is D
Explanation:
An export processing zone (EPZ) is a specific region of a country that gives favorable tax rates to corporations. It's generally located near trade hubs and is designed to attract foreign investors by providing tax exemptions on imported manufacturing materials.
Explanation:The best answer from the choices provided for the definition of an export processing zone is D. a region of a nation that gives favorable tax rates to corporations.
An export processing zone, often abbreviated as EPZ, is a specific area within a country that is designed to attract foreign investors. In an EPZ, imported materials used for manufacturing are typically exempted from customs duties and taxes, which are only applied if the finished goods enter the country's domestic market.
These zones are generally located near seaports, airports, or national frontiers to facilitate exportation. They are used by developing countries to promote and boost their economic growth. They provide an array of benefits, including employment opportunities, increased foreign exchange earnings, and transfer of skills and technology.
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Which of the following tectonic settings does NOT produce volcanism? A. continental hot spots divergent B. continental-continental boundary transform boundary C. convergent oceanic-oceanic boundary D. divergent oceanic-oceanic boundary
A transform boundary is the tectonic setting that doesn't produce volcanism. This is because instead of one plate being forced under another or plates moving apart, the plates in a transform boundary slide past each other horizontally.
Explanation:The tectonic setting that does not produce volcanism is the transform boundary. In a transform boundary, tectonic plates slide past each other horizontally. This is unlike the other settings where one plate is forced under another (subduction, as in oceanic-oceanic and continental-continental boundaries) or where plates move apart (divergent boundaries) which can allow magma to rise to the surface creating a volcano. In continental hot spots or a divergent oceanic-oceanic boundary, volcanism can occur due to the upward pressure of hot mantle material. However, at a continental-continental boundary, while significant earthquakes can occur, they don't typically produce volcanoes because both landmasses are too buoyant to subduct into the mantle where magma is produced.
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Which of the following is NOT true regarding the Chesapeake Bay?A. It is one of many small estuaries along the east coast of the United States.B. A large amount of sediment travels down the watershed into the bay.C. It receives anthropogenic chemicals that adversely affect the local fish populations.D. It receives nutrients from sewage treatment facilities.E. It experiences algal blooms from the fertilizers used on the land in its watershed.
Answer:
It is one of many small estuaries along the east coast of the United States.
Explanation:
Which of the following is NOT true regarding the Chesapeake Bay?
A. It is one of many small estuaries along the east coast of the United States.
B. A large amount of sediment travels down the watershed into the bay.
C. It receives anthropogenic chemicals that adversely affect the local fish populations
.D. It receives nutrients from sewage treatment facilities.E. It experiences algal blooms from the fertilizers used on the land in its watershed.
Read the scenarios and decide which type of interaction (absorption or transmission) took place between the wave and the object. People are able to hear footsteps because the sound made by a foot hitting the floor travels through the air to reach their ears. When light from the sun hits the sidewalk, the sidewalk becomes warmer.
Answer:
People are able to hear footsteps because the sound made by a foot hitting the floor travels through the air to reach their ears. Is transmission
When light from the sun hits the sidewalk, the sidewalk becomes warmer. Is called absorption
Explanation:
Make sure you spell it right or it will not count it.
This is due to the sound made by the foot hitting the floor traveling by air and is in transmission. When the light of the sun hits the side walk it's absorbed.
Waht is trasnimiission ?Transmission s the process of transfer or the way the sound moves travels from one medium to another and can be seen as a way of communication.
The people who are able to hear the footstep when their foot hits the floor are due to the air pressure. Similarly, when the light from the sun hits the sidewalk the sidewalk absorbs the heat and gets warmer.
Find out more information about the interaction.
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What mountain ranges separate the subcontinent from the rest of asia
Answer:
the Himalayan Mountain range.
Explanation:
The Himalayan Mountain range separate the Indian subcontinent from the rest of Asia.
In 2011, Typhoon Nesat struck the Philippines and caused widespread flooding. After hitting the Philippines, Typhoon Nesat was predicted to hit the large city of Hanoi, Vietnam. If Typhoon Nesat had continued along the same path, which development would most likely have reduced its strength before it hit Hanoi.
A. The formation of a low-pressure area south of Bangkok
B. The formation of a high-pressure area south of Bangkok
C. Cool water moving into the sea east of Hanoi
D. Warm water moving into the sea east of Hanoi
Answer:
C. Cool water moving into the sea east of Hanoi
Explanation:
In 2011, Typhoon Nesat struck the Philippines and caused widespread flooding. After hitting the Philippines, Typhoon Nesat was predicted to hit the large city of Hanoi, Vietnam. If Typhoon Nesat had continued along the same path, the development of cool water moving into the sea east of Hanoi will likely have reduced its strength before it hit Hanoi.
If Typhoon Nesat had continued along the same path towards Hanoi, warm water moving into the sea east of Hanoi would most likely have reduced its strength before hitting the city.
Explanation:If Typhoon Nesat had continued along the same path towards Hanoi, the development that would most likely have reduced its strength before hitting Hanoi is D. Warm water moving into the sea east of Hanoi. Warm water provides the energy that fuels the formation and intensification of tropical cyclones. As warm water evaporates, it forms the water vapor that forms the storm clouds.
The release of this latent heat during condensation powers the storm and helps it grow stronger. Therefore, if warm water moved into the sea east of Hanoi, it would have provided a source of energy for Typhoon Nesat, allowing it to maintain or possibly intensify its strength before reaching the city.
The largest component of the female mosquito's mouthparts is the ___________, which surrounds all the other mouthparts and protects them during flight. When the mosquito feeds, this mouthpart stays outside of the body.
Answer:
Labium
Explanation:
The largest component of the female mosquito's mouthparts is the LABIUM, which surrounds all the other mouthparts and protects them during flight. When the mosquito feeds, this mouthpart stays outside of the body.
Female mosquitoes have mouth types that are used for piercing and sucking.
Both mouth-parts are oddly shaped in female mosquitoes. The labrum is the principal feeding tube from which blood is drained, the labium stays outside the skin of the food item as it is piercing, folding away from the pattern.
The labium of a female mosquitoe encloses all other mouthparts like a sheath.
Answer:
The largest component of the female mosquito's mouth part is the labrum.
Explanation:
The mouthparts of a female mosquito consists of six piercing slender stylets that are appressed in a fascicle which is surrounded by the labium. Among the six piercing stylets, the labrum, which serves as the food canal is the largest and stiffest. This labrum has a feather-like opaque cuticle which prevent the observation of blood flow through the food canal.
A "wind farm" with generating capacity comparable to that of a conventional electric power plant would cover a large area, but the land could be used simultaneously for other purposes, such as agricultural activities
a. true
b. false
Answer:
The correct answer is A, as the statement is true. A "wind farm" with generating capacity comparable to that of a conventional electric power plant would cover a large area, but the land could be used simultaneously for other purposes, such as agricultural activities .
Explanation:
A wind farm is a group of wind turbines in the same location used to generate electricity. A large wind farm can accommodate hundreds of individual wind turbines, covering an area of hundreds of square miles, but the land between the turbines can be used for other purposes such as agriculture.
In this way, the same land covers three needs at the same time: on the one hand, it generates energy; on the other hand, it protects the environment through a non-polluting generation of energy; and lastly, it produces different agricultural goods in the soil of the land.
Which plate interactions is most likely to form a mountain range?
Answer:
A convergent boundary between continental plates.
Explanation:
A convergent boundary between continental plates refers to a plate interactions which is most likely to form a mountain range. Plate convergence creates mountains.
Plate convergence explains tectonicplate movement that causes twoplates to collide with each other, These slow-moving collisions on move the plates a few centimeters a
year but are strong enough over timeto form large mountain ranges.
An region on Earth where two or more lithospheric plates meet is a convergent boundary. Finally one plate slides underneath the other creating a phenomenon called subduction.
Countries that have completed the demographic transition typically have
Answer:good use of technology and high per captia income
Explanation:
what does water pollution not contribute to?
A)global warming
B)human illness
C)mutated fish
D)weak crops
Answer:
A
Explanation:
Global warming occurs when carbon dioxide (CO2) and other air pollutants and greenhouse gases collect in the atmosphere and absorb sunlight and solar radiation that have bounced off the earth’s surface. water doesnt have as much of an impact than the other answers
Earth's magnetosphere ____________.
a. shields us from the solar wind.
b. has a radius approximately 5 times the radius of Earth.
c. is essential to the formation of auroras.
d. extends far into space beyond Earth's atmosphere.
Answer:
the answer is A
Explanation: The magnetosphere shields our home planet from solar and cosmic particle radiation, as well as erosion of the atmosphere by the solar wind - the constant flow of charged particles streaming off the sun. ... It is generated by the convective motion of charged, molten iron, far below the surface in Earth's outer core.
___ Mechanism responsible for the low abundance of helium of Saturn's atmosphere. Helium condenses in the upper layers to form a mist, which rains down toward Saturn's interior, just as water vapor forms into rain in the atmosphere of Earth.
The layer of soil with the most organic material is the A horizon or __ soil.
Answer:
Top soil...
Explanation:
The A horizon is the top layer of the mineral soil horizons, often referred to as 'topsoil'. This layer contains dark decomposed organic matter
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OwO
The apparent brightness of stars, in general, tells us nothing about their distances; we cannot assume that the dimmer stars are farther away. In order for the apparent brightness of a star to be a good indicator of its distance, all the stars would have to be:
Answer:
the same brightness and the same type of star
Explanation:
list down three factors which affect the climate of East Africa
Answer:
The distance of the equator, the shape of the land(topography) and prevailing winds
Explanation:
Hope this helps
Final answer:
Latitude, elevation, and mountain ranges are three factors that affect the climate of East Africa.
Explanation:
Three factors that affect the climate of East Africa are:
Latitude: East Africa straddles the equator, resulting in hot and humid conditions along the coast and around Lake Victoria. Cooler climates are found in the highlands and mountains.Elevation: The high elevations of the highlands create a rain shadow effect, causing drier conditions in the deep valleys or basins on the dry side of the region.Mountain ranges: Mountain ranges, such as the Rwenzori Mountains on the Congo-Uganda border, create a rain shadow effect and cut off moisture from the westerly equatorial winds.Permafrost refers to layers of soil that often remain frozen throughout the entire year. Warmer summer temperatures have increased the thawing of permafrost in Alaska. As the permafrost thaws, organic matter begins to decompose. This decomposition contributes to global warming because:________.
Answer:
the decomposition of organic matter can emit carbon dioxide and methane into the atmosphere.
Explanation:
Permafrost refers to layers of soil that often remain frozen throughout the entire year. Warmer summer temperatures have increased the thawing of permafrost in Alaska. As the permafrost thaws, organic matter begins to decompose. This decomposition contributes to global warming because the decomposition of organic matter can emit carbon dioxide and methane into the atmosphere.
Before the Industrial Revolution, the flux of carbon from the terrestrial to the atmospheric pools _______ the flux in the opposite direction. Today, the flux of carbon from the terrestrial to atmospheric pools _______ the flux in the opposite direction.
Answer:
was about equal to , exceeds
Explanation:
At the beginning of the industrial revolution, the carbon content was around 280 ppm and was stable for some time, and later on as of today it has exceeds the 400 ppm atmospheric pool of gases. Due to the increase in the amount of the greenhouse gas concentration and the burning of the fossil fuels and along the increase of the urbanization processes accelerated the speed of the carbon dioxide in the air.Declining death rates due to increased food production and improved medical care while birth rates remain high is characteristic of the ________ stage of the demographic transition
Answer:
Transitional Stage
Explanation:
Declining death rates due to increased food production and improved medical care while birth rates remain high is characteristic of the TRANSITIONAL stage of the demographic transition.
The human population continues to increase at this point because of rising birth rates and declining death rates. The death rates are declining as there are changes in the economy and social conditions as the country transforms into an developed society.
The theory of demographic change is a theoretical explanation of rising mortality, fertility, and rates of growth as populations shift from one demographic system to another.
In 2004 a megathrust earthquake off the coast of Asia caused a giant __________________ which killed over 200,000 people.
Pretty sure it was a tsunami
Chain migration involves the place transition from, for example, rural to central city residence through a series of less extreme locational changes, from farm to small town to suburb, and finally to the major central city itself.True / False.
Answer:
False
Explanation:
Chain migration is the social process by which migrants from a particular town follow others from that town to a particular destination, it assures that the mover is part of an established migrant flow from a common origin to a prepared destination,the prepared destination may be in another country or in a new location within the same country
Step migration involves the place transition from, for example, rural to central city residence through a series of less extreme locational changes, from farm to small town to suburb, and finally to the major central city itself