ICSE Class 9 Chemistry Question 12 of 31

Atmospheric Pollution — Question 24

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Question

Question 24

Explain how promoting 'afforestation' and checking 'deforestation' reduces the release of green house gases.

Answer

Promoting afforestation means to induce more growth of plantation and forests. This helps to absorb green house gas - carbon dioxide during photosynthesis.

6CO2+12H2OChlorophyllSunlightC6H12O6+6H2O+6O26\text{CO}_2 + 12\text{H}_2\text{O} \xrightarrow[\text{Chlorophyll}]{\text{Sunlight}} \text{C}_6\text{H}_{12}\text{O}_6 + \text{6H}_\text{2}\text{O} + 6\text{O}_2

Checking deforestation means to reduce burning of forests and biomass. This helps to control the emission of green house gases.