Answer:
D. as an arrangement of four chemical bases
Explanation:
Our DNA is made up of 4 chemical bases (adenine, thymine, guanine, cytosine).
 
        
                    
             
        
        
        
Answer:
read below
Explanation:
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. The aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the Earth that extends to 2900 km.
 
        
             
        
        
        
If trash were to somehow appear in the ocean, water would be polluted and animals would be poisoned and die.
        
             
        
        
        
Answer:
Your question doesn't make sense. Who is the individual in question? 
Explanation: