Ttugct I think that’s the mRNA
        
             
        
        
        
<span>repairing parts of damaged tissue </span>
        
             
        
        
        
they would die.... the two main things a plant need is water for the turgor to keep the upright and make sure it doesnt wilt and of course for photosynthesis 
 
        
             
        
        
        
Answer:
this is my lazy guess but: human activity, differences in emitted energy from earth, and natural fluctuations. BUT DONT TRUST ME LOOK IT UP IM NOT SMART