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What is 'Green House Effect'?
1. Increase in global temperature
2. Decrease in global temperature
3. Increase in sea water temperature
4. Increase in temperature of rivers and lakes

1 Answer

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Correct Answer - Option 1 : Increase in global temperature

The correct answer is Increase in global temperature .

  • In simpler term, the greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat. 
  • When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.
  • Greenhouse gases include water vapor, carbon dioxide, methane, nitrous oxide, ozone and some artificial chemicals such as chlorofluorocarbons (CFCs).
  • The absorbed energy warms the atmosphere and the surface of the Earth.
  • The human activities such as burning fossil fuels (coal, oil and natural gas), agriculture and land clearing - are increasing the concentrations of greenhouse gases.
  • This is the enhanced greenhouse effect, which is contributed to the global warming of the Earth .
  • Methane is much more potent in terms of the greenhouse effect. Its global warming impact is 25 times greater than that of carbon dioxide over a 100-year period.
  • The Paris Agreement speaks of the vision of fully realizing technology development and transfer for both improving resilience to climate change and reducing GHG (Green House Gas) emissions.

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