Convection currents in the magma drive plate tectonics. Heat generated from the radioactive decay of elements deep in the interior of the Earth creates magma (molten rock) in the aesthenosphere.
<span>geosphere is any of the almost spherical concentric regions of matter that make up the earth and its atmosphere, as the lithosphere and hydrosphere.
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The cryosphere<span> is the frozen water part of the Earth system
the Lithosphere is </span><span>the rigid outer part of the earth, consisting of the crust and upper mantle.
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Hydrosphere is </span><span>all of the non-frozen water part of the Earth system
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only had time to help with those ^
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Answer:
demographers
Explanation:
as they are experts in the study of statistics relating to the changing structure of human populations.
When you put the continents next to each other (on a map, of course) in a certain way, they put together almost perfectly. To add to that, there are fossils of the same land species on two different continents, suggesting that they used to be able to cross back and forth between the two land masses. This would make the most sense if the two continents were once part of the same continent.
