What is the main problem with harvesting methane hydrate for energy use?
a. Methane hydrate is dangerous and costly to mine.
b. Methane hydrate is only found in waters too deep to mine.
c. Methane hydrate is only found near fragile ecosystems.
d. Methane hydrate is not abundant.
e. Methane hydrate is not volatile and produces poor quality energy.
Answer: A