Nearly 90 percent of shale oil can be recovered in surface mining, while less than 60 percent can be recovered in underground mining. Surface mining is therefore less expensive, making it more attractive to miners.

Which statement about shale-oil mining is false?

A)

No significant environmental or social impacts are noted.

B)

Oil shale must be processed on-site before transport.

C)

The volume of waste will exceed the volume of oil mined.

D)

It is very expensive to restore the mining operation when finished.

E)

Oil-shale mining was very popular during the height of the fuel shortage in the 1970s.

A. No significant environmental or social impacts are noted.

Explanation:

"Shale oil extraction" became very popular during the oil crisis in the 1970s. The crisis was brought about by the Yom-Kippur War and the Iranian Revolution. This paved way to the disruption of different oil supplies.

Oil shale is commonly processed above the ground, although sometimes it can also be processed underground.

Shale oil mining has a significant environmental and social impacts. This is particularly more pronounce in surface mining. It increases sulfur dioxide emissions, erosion and air pollution. It contributes to more greenhouse gas emissions. This affects the environment and the people who are living closely to the mining areas.

So, this makes choice A "false."

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