I think the answer is Releasing a black powdery substance on their trunks or shifting their range toward the poles.
        
                    
             
        
        
        
Acidosis, the pH of a human should be 7.4 and never lower than 7.35
        
             
        
        
        
I think it my be a structure to life
        
             
        
        
        
Answer: Mitochondria and chloroplasts.
Explanation: Mitochondria create energy for both plant cells and animal cells through cellular respiration. Chloroplasts create energy for plant cells through photosynthesis.