ESS
Grade-10
Easy
Question
Oil and natural gas are formed from the remains of _____.
- Terrestrial Plants
- Terrestrial Animals
- Aquatic Organisms
- Dinosaurs
Hint:
Natural gas, similarly to oil, is a byproduct of organic matter that has decayed and been deposited over the course of the last 550 million years, primarily by ancient marine bacteria. Hence the answer is aquatic organisms.
The correct answer is: Aquatic Organisms
- Fossil fuel is petroleum, sometimes referred to as crude oil.
- Petroleum was created from the remains of extinct marine animals like plants, algae, and bacteria, just like coal and natural gas.
- These organic remains (fossils) changed into carbon-rich substances we rely on as raw materials for fuel and a wide range of products over millions of years of extreme heat and pressure.
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