Question

Please give me notes ch 5(Coal and petroleum)Cbse
$\purple{class \: 8th}$
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Answer 1

Answer:

Fossil Fuel: Dead remains of living organisms and buried over millions of years, like coal, petroleum and natural gas are fossil fuels. Natural Gas: Natural Gas is a very important fossil fuel.

Natural Resources: The resources, that are obtained from nature are called natural resources, for example, air, water, soil and minerals.

Inexhaustible Natural Resources: The resources, that are present in unlimited quantity in nature, and cannot be exhausted by human activities, for example, air, sunlight etc.

Exhaustible Natural Resources: The resources, that are present in limited quantity in nature, and can be exhausted by human activities, for example, coal, petroleum, minerals, forests etc.

Fossil: The remains of the part of plants or animals transformed over time is called fossil....

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Answer 2

Answer:

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