Environmental manipulation of a crop can not only have unexpected consequences, but also have a negative impact on the atmosphere as well. The crops produced might be of inferior quality than expected. The amount of crop that grows can also be less. More water might be needed for the crops to grow. 
        
                    
             
        
        
        
Answer:
B
Explanation:
It tells us a lot about why the argument is correct.
 
        
             
        
        
        
True 
DNA are cells that carry genetic codes and are passed down through generations of offspring. New cells can only arise from existing cells! 
        
             
        
        
        
Well, younger teens and children have a more rapid growth while young and older adults have a more steady approach. Young adults produce more children.
        
             
        
        
        
Answer:
D: Black hole
Explanation:
The formation and life cycle of stars
A nebula. A star forms from massive clouds of dust and gas in space, also known as a nebula. ...
Protostar. As the mass falls together it gets hot. ...
Main sequence star. ...
Red giant star. ...
White dwarf. ...
Supernova. ...
A neutron star or black hole.