I think the answer to you r question is C. bc with no sunlight at the bottom the temp is affected. Also I looked up photosynthesis and it  said that scientist have found this at the bottom of the ocean so it in fact does perform more photosynthesis
What do you think?
        
                    
             
        
        
        
The cause of mutations in gene expressions are the changes of gene instructions that causes your protein to malfunction. The effect of mutations are the genes not being able to function properly and send the wrong codes/info to your cells.
        
             
        
        
        
Answer:
- Use bikes and non motor engines to get short distances BIKES is a good option. 
- Support electricaly charged vehicles
- Turn off your car when you are not driving
- Walk to school if you can
- Make sure to recycle paper
- reuse old notebooks that are not finished for the next year
- Get outdoors and spread your carbon dioxide
- try playing ball games and not video games so much becasue it means you use electricity that is generated by fossil 
- Turn off lights before bed
- dont keep the TV on all the time. 
Explanation:
Hope that helps :) 
 
        
             
        
        
        
RNA stands for ribonucleic acid which is one type of nucleic acids. So nucleic acid has RNA.