A sentence fragment is a incomplete sentence like, one that doesn't fully explain its self. fragment = came to the house, complete = Lilly came to the house to visit.
I'd say it was D or the last choice. It makes most sense to me.
Why do countries provide financial incentives?
The correct answer is letter A: Financial incentives act as trade barriers.
When countries provide financial incentives, they are promoting their domestic production by making it more efficient and cheaper, moreover, it is a way of protecting the country's industry.
Besides, financial incentives play a crucial role in acting as trade barriers, because it is a way of limiting foreign investment.
Answer:
Option C, REEFS IN PERIL
Explanation:
Peril word signifies threat or immediate danger.
Since the reefs are under threat of extinction. The best heading that can justify the endangered reef species is the "option C" i.e Reef in Peril.
However, the other heading like THE FUTURE OF THE REEFS, BENEATH THE AZURE WATERS LIES A LOST COLONY etc. are also apt but one would not be able to understand that here the author is talking about the reef in danger.
The answer is A. Implied. cause its asking a question not stating facts.