Answer:
(A) A ball sitting on the ground
Explanation:
 
        
             
        
        
        
Explanation:
During a chemical reaction, the atoms of the original substances gain, lose or share their electrons with those of the substances with which they are reacting. The reaction creates new substances made up of a new combination of atoms and a different configuration of electrons.
 
        
             
        
        
        
<span>it is called precipitant</span>
        
                    
             
        
        
        
Answer: The early atmosphere
Explanation: Its early atmosphere was probably formed from the gases given out by volcanoes. It is believed that there was intense volcanic activity for the first billion years of the Earth's existence. The early atmosphere was probably mostly carbon dioxide, with little or no oxygen.
 
        
                    
             
        
        
        
7. Atomic mass
8. Atomic number
9. Chemical symbol
10. Right