Why are coal and petroleum called fossil fuels meritnation

NCERT Exemplar Solution for CBSE Class 10 Science Chapter: Sources of Energy (Part-II)

why are coal and petroleum called fossil fuels meritnation

Petroleum, natural gas, and coal are the main sources of energy for modern use. All of these fuels are classified as fossil fuels. The reason they.

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We can manage and conserve our natural resources as well as the environment through sustainable development. Sustainable development means development which meets the needs of the present generation as well as of the future generation. The objective of sustainable development is to maintain a healthy environment which is pollution free, so that human beings can live in harmony with nature. To achieve sustainable development, the goal has to be minimised resource use. Preservation refers to non-use, conservation attempts to minimise the use of a natural resource and restoration seeks to return a degraded resource to its original state. The 3Rs in sustainable development are reduce, recycle and reuse.

1) the resources that can be renewed by reproduction are called renewable of energy are fossil fuels, which include coal, petroleum, and natural gas.
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Petroleum occurs deep inside the earth floating over water. Which 2 properties of petroleum makes it possible to form a separate layer over water? What is fractional distillation of petroleum? How does planting of trees on large scale help in reducing the pollution caused due to the burning of fossil fuels? Is water exhaustible or inexhaustible?


Class _ 8 _ Science _ Coal and Petroleum

Biology Question Bank



These fossil fuels are non renewable sources of energy and cause (i)Use coal, petroleum and natural gas to produce thermal electricity. (i) Energy harnessed from the heat of the sun is called Geo thermal energy.
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  1. Harchedorte says:

    Q1 Why are coal and petroleum called as fossil fuels Why is it important to conserve them Q2 Why is petroleum called as black gold Q3 Expand.

  2. Giopresninfro says:

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  3. Guititithi says:

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  4. Augustin A. says:

    Every question has been provided with a detailed explanation.

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