The answer would be "C" the because it does not do photosynthesis, It does cellular resporation. (It is not a plant)
 
        
                    
             
        
        
        
Answer:
B. Geothermal
Explanation:
Fossil fuels and coal both require extremely old material to form.  Geothermal energy is generated and stored in Earth.
 
        
                    
             
        
        
        
Answer: Horizon O forms from organic material. And Horizon C is least affected by the soil formation process. Bedrock lies below the soil layers.
        
                    
             
        
        
        
Sulfur dioxide<span> and </span>nitrogen oxide mix <span>with the water molecules in the atmosphere to produce acidic rain </span>
        
                    
             
        
        
        
Answer:
The correct answer is single,double and triple covalent bonds .
Explanation:
A carbon atom can form a single bond with another carbon atom example ethane.
A carbon atom can form a double bond with another carbon atom example ethylene
A carbon atom can form a triple bond with another carbon atom example acetylene.
  But during the formation of  Carbon carbon single bond or double bond or triple bond the valency of carbon atom that is 4 is always maintained.