Answer:
A) covalent bond
Explanation:
Covalent bonding generally happens between nonmetals.
 
        
             
        
        
        
Answer:
Which scientist developed the first model of the atom that showed the structure of the inside of an atom
Ernest Rutherford
 
        
             
        
        
        
Answer:
100% 
Explanation:
Cell is the structural and functional unit of life. Without Cell, an organism can never be created.
 
        
                    
             
        
        
        
Answer:
The nervous system helps all the parts of the body to communicate with each other. It also reacts to changes both outside and inside the body. The nervous system uses both electrical and chemical means to send and receive messages
Explanation: