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State PCS PYQPrelims 2018

UPPCS · Question 129

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
Show answer & explanation

Answer: (A) Increase in global temperature

Explanation

Greenhouse gases (CO2, CH4, N2O, water vapour) trap outgoing infrared radiation, warming the Earth. An enhanced greenhouse effect raises global temperature.