Answer:
i would say 2. and 4.
tides are made by the moon..... but the plates under the Earth's suface causes larger waves. 
Explanation:
i know it is not 3. but i'm not sure what 1. is.
I'm sorry i couldn't help more, but i hope this helps you out!
 
        
             
        
        
        
Answer: The correct answer is D) Oxygen
Explanation:
 
        
                    
             
        
        
        
The double helix unwinds and each strand forms a template for a new strand — I’m pretty sure!