Answer:
Explanation:
for example addind electricity helps the community to do more work that would improve the function of the city or addind more factories would increase the production and the economy of the city
 
        
             
        
        
        
Very... Reproduction at both the molecular level to help maintain and repair itself through production of cells is important for self-preservation. Additionally reproduction allows survival of genetic material to offspring. 
        
             
        
        
        
Answer:
 Its Particles move independently of one another and are widely spaced .
I hope its right, if not so please sorry :)
 
        
                    
             
        
        
        
D.
This is so since the average person (with activity) stores enough glycogen to last him 12 to 14 hours.
        
                    
             
        
        
        
Answer:
True
Explanation:
All humans begin life in the womb as females. If no Y chromosome is present in the foetus, then the embryo will continue to develop as and be born as a female.