You are presented with the question "What color are the coastal waters where bacteria and algae that use sunlight to make food?" and the following answer choices: 
- Blue
 - survive
 - Grow
 - live
 - edible
 - Yellow
 - Green
 - Clear

Now knowing that phytoplankton are bacteria and algae that use sunlight to make food and by contrast, coastal waters rich in phytoplankton are green, choose the best answer.


 

       Green  