Plants obtain energy through a process called Photosynthesis, in which the plant takes the suns's energy through the Chlorophyll, which is what makes plants green, and uses it to make sugars out of the carbon dioxide from the air and water. 
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Answer: 
Explanation:
Primary waves travel faster, move in a push-pull pattern, travel through solids, liquids and gases, and cause less damage due to their smaller size. Secondary waves travel slower, move in an up-and-down pattern, travel only through solids, and cause more damage due to their greater size.
 
        
             
        
        
        
I think it is c but I’m not 100% sure so wait for someone else to answer too maybe ?
        
             
        
        
        
It would probably be .D. Plankton populations decreasing.