Which sentence describes an important downside of oil extraction from tar sands?

a. it can increase the frequency of earthquakes in the local area.

b. it disrupts a larger area and produces less oil than drilling.

c. it can be used with both surface and underground mines.

d. it can increase risk increase of worker injury or fatality from mine shaft collapse.

apex environmental science 10 points

The correct answer is option B. "It disrupts a larger area and produces less oil than drilling".

Explanation:

Oil extraction from tar sands is an inefficient way of extracting oil from a mixture of oil, sand, clay and water. The oil extraction from tar sands requires a considerable amount of energy and water and generates more pollution than oil drilling. Another downside of this process is that it disrupts a larger area and produces less oil than drilling. It is estimates that to produce one barrel of oil, 2 tons of oil sand should be processed.

answer; i believe the answer is hydraulic action;

1. desertification

2. captive breeding

3. black rhinoceros

4. renewable resources

explanation:

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