Answer
fossil fuels and climate change
Explanation
this earth is gonna die anyways
 
        
             
        
        
        
The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth. Carbon is the main component of biological compounds as well as a major component of many minerals such as limestone hope this helps you pls thank me 
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O1:2:1 because they are carbon, hydrogen and oxygen
        
             
        
        
        
<span>D. earthworm would be classified in the same kingdom as the hawk (both animals). </span>
        
                    
             
        
        
        
Bibliography is essential in determining its content. I hope this helped