What is the largest known reservoir of hydrocarbons on Earth?
a. Oil
b. Methane hydrate
c. Coal
d. Natural gas
ANS: B
Methane hydrate is methane-laced crystals. This is common in the sediments of the continental slope
at approximately 200 to 500 meters below the seafloor. They are stable and long-lived. Information
can be found in the section Physical Resources.
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