Answer:A-wave X is transverse and wave Y is longitudinal 
Explanation:
 
        
             
        
        
        
Clean energy like solar wind and water
        
             
        
        
        
Magma! I think and hope this helps
        
             
        
        
        
Answer:
Explanation:
RNA is single stranded While DNA is double stranded
RNA contains uracil while DNA contains thymine
RNA as the sugar ribose while DNA has the sugar deoxyribose
 
        
             
        
        
        
it only need one to fertilize a egg in a flower