I would say that it's B. But that is not for sure.
        
             
        
        
        
Answer:
You know when a droplet falls into the water and then the water removes that looks like its making O's around where the droplet has fallen? Thats what ripple is.
Explanation:
Now if youre talking about the ripple effect similar to mental health here what it is:
The ripple effect is often used colloquially to mean a multiplier in macroeconomics. For example, an individual's reduction in spending reduces the incomes of others and their ability to spend.
 
        
             
        
        
        
Your answer would be D) because at each increasing level of the energy pyramid, there is 10% lost as heat
        
             
        
        
        
Tsunami, I think, maybe a flood