High and middle income but i guess low income still above them all.
Layers that are less dense, such as the crust<span>, float on layers that are denser, such as the mantle. Both </span>oceanic crust and continental crust<span> are less dense than the mantle, but </span>oceanic crust<span> is denser than </span>continental crust<span>. This is partly why the </span>continents <span>are at a higher elevation than the </span>ocean<span> floor.</span>
The correct answer is - cryosphere.
The cryosphere is those portions of Earth's surface where water is in solid form, including sea ice, lake ice, river ice, snow cover, glaciers, ice caps, ice sheets, and frozen ground (which includes permafrost). The cryosphere is one of the five major climate components, which also include the atmosphere, the hydrosphere, the land surface and the biosphere.
Answer: "South Dakota" .
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(in the United States of America).
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