B
because when describing a noun with adjectives, you can say: that is a green salad. but if the salad is also big I can say: that is a big, green salad.
Answer: As predators, sharks play a crucial role in helping to maintain a delicately balanced ecosystem that keeps our oceans healthy. Their feeding helps to regulate prey population numbers, but also prey distribution as they select a habitat to avoid being eaten. Proving that sharks are a beneficial organism in ecosystems to keep them balanced and equal throughout time.
Explanation: Have a terrific day! Thanks are always appreciated <33
So you want us to tell you what we think of your essay? I'm a little confused.