Question
Why should use coal and petroleum judiciously? Explain.

Answer

  • We should use coal and petroleum judiciously because
  • $(1)$ Coal and petroleum are fossil fuels which are exhaustible and non-renewable resource.
  • $(2)$ Reserves of coal and petroleum are limited.
  • $(3)$ It takes millions of years for nature to replenish these resources.
  • $(4)$ Burning of fossil fuels pollutes the atmosphere by forming oxides of carbon, nitrogen and sulphur, which accumulate in atmosphere.
  • $(5)$ Carbon dioxide is a greenhouse gas which leads to global warming.

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