Answer:
The correct answer is option B. "arctic regions".
Step-by-step explanation:
Most gases in the ocean are found in arctic regions, trapped in gas deposits found within ice formations. Most of the gas deposits found in arctic regions where formed in geological processes that took place during the Jurassic and Triassic periods. Nowadays, the increase on arctic methane emissions from melting of ice formations is an environmental problem, consequence of global warming.