3 years ago

Describe the history of oil sands

Geography

1 answer:

Naily [24]3 years ago

5 0

Answer:

Explanation:

Alberta's oil sands were formed millions of years ago, as tiny marine creatures died and drifted to the sea floor and were covered by layers of sediment that exerted enough pressure and temperatures to transform the organic matter into oil. Over millions of years, that oil became trapped in thick layers of sand.

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