CO 2 is not a poisonous gas but there is increase in concentration of CO 2 in the…

Chemistry · JEE Main · NTA Examsp-Block Elements

CO2 is not a poisonous gas but there is increase in concentration of CO2 in the atmosphere due to burning of fossil fuels and decompostion of limestone. The increase in concentration of CO2 may lead to
  1. increase in photosynthesis in plants
  2. higher concentration of CO2 in water
  3. increase in greenhouse effect, thus raising the
    temperature
  4. increase in formation of metal carbonates

Answer

(C) increase in greenhouse effect, thus raising the temperature

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