Your answer is A) - a greenhouse effect
that happens also at large scale, when the atmosphere is playing the role of the windows and the climate on earth became warmer. 
        
                    
             
        
        
        
B) A disease can destroy everything
        
                    
             
        
        
        
C. evaporation of sweat warms the body 
        
             
        
        
        
Answer:
Our bodies use water in all the cells, organs, and tissues, to help regulate body temperature and maintain other bodily functions. Because our bodies lose water through breathing, sweating, and digestion, it's crucial to rehydrate and replace water by drinking fluids and eating foods that contain water.
EXPLAINATION:
Hope it helps. Please mark me as the brainliest.
 
        
             
        
        
        
I belive its called a metric system