C should do the trick but I wouldn't count on it ive only been studying for a day now on this
Answer:
Hydrates
Explanation:
they're the most abundant source of natrual gas. "Hydrates are a much more abundant source of natural gas than conventional deposits. According to the U.S. Geological Survey, global stocks of gas hydrates range account for at least 10 times the supply of conventional natural gas deposits, with between 100,000 and 300,000,000 trillion cubic feet of gas yet to be discovered."
Known as an ERCP = endoscopic retrograde cholangio-pancreatography
What are your options?
Anyways, I would say evolution
The answer is D because there would be no floodwaters