<span>The answer for your question is 
B. A warm air mass overtakes a cold one, and the warm air gradually rises and cools. The water in the air condenses to form clouds and gentle rain.</span>
        
             
        
        
        
A. The hemisphere of the Earth is tilted more toward the Sun.
        
                    
             
        
        
        
Endocrine and circulatory (C) Endocrine system consists of glands and the hormones they secrete whist the circulatory system is the blood or as I like to call the “transport system” of the body.
        
             
        
        
        
 Answer
Light intensity increases also, but it gets to a point that the temperature increases and denature the enzymes involved so a plateau results.