Which of those is an environmental coast of tar sand extraction

Question: Which of these is an environmental cost of tar sands extraction? A. Mine collapse

B. Pollution

C. Acid rain

D. Shale deposits

Answer:

The correct answer is B. pollution.

Explanation:

A combination of sand, clay, water and bitumen (hydrocarbon) is named tar sands or oil sands. Bitumen is mined from tar sands and polished it to harvest gasoline and withdrawal of tar sands importantly influence on atmosphere. Once gasoline made from tar sands harvests extra carbon dioxide as compare to outdated oil extraction. The mining of tar sands has improved carbon releases over a period of time. Thus, growth percentage of carbon dioxide reasons pollution.