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Amongst the following which is not considered as the perpetual cause of global warming ?

  • A.Desertification
  • B.Deforestation
  • C.Ecology
  • D.Pollution

Answer: C

The one not a cause of global warming is ecology.

Ecology is the science of the relations between living organisms and their environment, so it cannot be a cause of warming. Deforestation removes forests that absorb carbon dioxide and releases stored carbon, pollution adds greenhouse gases such as carbon dioxide and methane, and desertification reduces vegetation and soil carbon, all contributing to the build-up of greenhouse gases.

The paper's 'perpetual cause' should be read as a lasting or continuing cause.

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