So it's easier to understand how plants take in carbon-dioxide and how much carbon-dioxide is in the atmosphere 
 
        
             
        
        
        
Answer:
scientist can use this information to grow crops with larger fruits and vegetables.
Explanation:
i had this question on USA test prep and i guessed because i couldn't figure it out and when i guessed i got it right because i chose B or what ever the answer choice is for the correct answer.
 
        
                    
             
        
        
        
It would be convection because it isnt having any physical collision which rules out conduction and it is going through mid air which rules out evaporation and radiation
        
                    
             
        
        
        
Answer: C  polluted water and soil can cause many deseases and side effect towards humans