ESS
Grade-8
Easy
Question
All the given options are related to the formation of oil or natural gas except__________.
- Decomposed plants
- Decayed animals
- Active volcanoes
- Sedimentary rocks
Hint:
Active volcanoes
The correct answer is: Active volcanoes
Active volcanoes arr not related to the formation of oil or natural gas. Oil and gas are formed from organic material mainly deposited as sediments on the seabed and then broken down and transformed over millions of years. If there is a suitable combination of source rock, reservoir rock, cap rock and a trap in an area, recoverable oil and gas deposits may be discovered there.
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