Carbon is found in the non-living part of the hydrosphere, atmosphere, and Geo-sphere, as carbonate (CaCO3) rocks and dead organic matter, such as humus in soil.
        
             
        
        
        
It provides the reader with your topic and give them a central idea of your writing. 
 
        
             
        
        
        
Answer:
At convergent plate boundaries, oceanic crust is often forced down into the mantle where it begins to melt. Magma rises into and through the other plate, solidifying into granite, the rock that makes up the continents. Thus, at convergent boundaries, continental crust is created and oceanic crust is destroyed.
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Answer:
B. The rain shadow effect causes equal
precipitation on both sides of a mountain.
Explanation:
A rain shadow is a patch of land that has been forced to become a desert because mountain ... On the other side of the mountain—the rain shadow side—all that precipitation is blocked. ... This cool air cannot hold moisture as well as warm air. Cool air forms clouds, which drop rain and snow, as it rises up a mountain.