The origin of crude oil
1 mark · NormalWhich statement best describes how crude oil forms?
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Correct option: It develops from the soft tissue of sea plants and animals buried under sediment over millions of years.
Common mistakes: Choosing 'formed rapidly' or 'made in lab'
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Marking points
B1 · 1 mark · Selects the correct description: forms from sea plants and animals' tissue under sediment over millions of years.
Worked solution
The correct answer is: It develops from the soft tissue of sea plants and animals buried under sediment over millions of years.