Answer:
Density is a physical property that is determined by dividing the mass of a given amount of a substance by its volume.
Explanation:
 
        
             
        
        
        
The study of chemistry helps us understand the nature of the world around us. Chemistry is always developing to keep up with any phenomenon that appears in nature.
Therefore, scientists and chemists are always developing new technologies. However, chemists must very careful when developing these new technologies. They should consider any bad chemical reactions that might occur and also chemicals that harmful to either the individuals or the environment.
        
             
        
        
        
Answer:
It depends of how heavy the object is so i would say the tennis ball would go the farthest. And the amount of air it has!
Explanation: