Answer:
the quantity of matter contained in a body is called mass .si unit of mass is kilogram.weight is effected by gravity but mass is not effected by gravity.
 
        
                    
             
        
        
        
Academic- affect on substances, how it works
Scientific- helping cancer, making weapons
        
             
        
        
        
Genetic information, such as DNA, will dictate or control the characteristics that an organism will have.
        
             
        
        
        
Mainly because he was Johnny Carson's advisor and consultant 
on space, astronomy, and science in general, and he appeared 
on The Tonight Show Starring Johnny Carson many times.