<span>Roughly 5.6 years would be added to the average lifespan of the U.S. population. The test's lifespan increased from 719 to 770, or by 1.071. Multiplying the average lifespan by this amount would equal 84.609.</span>
        
                    
             
        
        
        
There are five classes of food, out of this five only two provides energy; these are carbohydrate and fat and oil. Out of these two, carbohydrate provides the most energy for the body in the shortest time. This is the reason why glucose, which is the end product of carbohydrate is normally given to sport men during games.
        
             
        
        
        
Answer:
Mitogens
Explanation:
Mitogens: proteins that turn off negative signals that are blocking cell division.
 
        
                    
             
        
        
        
Answer:
Explanation:
Water intensive agriculture takes away liters of water that can be used to help a significant population survive. Cultivation of these crops has even endangered some areas of water scarcity.
 
        
                    
             
        
        
        
Population refers to an array of organisms of the similar species, which thrives in a particular geographical region and interbreed. The three main characteristics of a population are density, size, and dispersion.  
The density signifies towards how many organisms are thriving in a specific region. The size refers to how big a population is, and dispersion signifies towards the degree of spreading of the particular population.