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Biodiversity, Conservation and Environmental Issues — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYBiodiversity, Conservation and Environmental Issues3 Marks
Question
Why greenhouse gases are increasing in their proportion?
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Answer

  1. Greenhouse gases are increasing due to excessive burning of fossil fuels in industries, by automobiles and air transportation, by burning of agricultural wastes, etc.
  2. All the combustion is causing levels of CO2 to rise.
  3. Biogas plants, paddy fields, cattle sheds add methane to atmosphere.
  4. More amount of chlorofluorocarbons are emitted due to fire extinguishers and air conditioners.
  5. Due to loss of forest cover, there are few trees left to absorb atmospheric CO2.
  6. Man is making development and progress due to which green house gases are increasing in proportion.

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