Answer:
C. Meiosis since it produces haploid cellsneeded for reproduction.
 
        
             
        
        
        
All three are bad for the environment because all three types release CO2 into the air and have throughout their constant usage helped with creating the greenhouse effect that traps heat and causes global warming. That's why clean energy is a necessity and people are developing harnessing wind and solar power.
        
             
        
        
        
 Electrons are the smallest of the three particles that make up atoms. 
Please correct me if I'm wrong!! I'd be happy to fix it!! :)
 
        
                    
             
        
        
        
Answer;
-Analytical chemistry - composition. 
Environmental - impact of chemicals
Explanation; 
-Analytical chemistry involves the qualitative and quantitative determination of the chemical components of substances. In qualitative analysis all the atoms and molecules present are identified, with particular attention to trace elements. In quantitative analysis the exact weight of each constituent is obtained as well.
Environmental chemistry is the study of the chemical and biochemical phenomena that occur in the environment.It relies heavily on analytical chemistry and includes atmospheric, aquatic, and soil chemistry.