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Global warming can be controlled by:
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- Reducing reforestation, increasing the use of fossil fuel.
- Increasing deforestation, slowing down the growth of human population.
- Increasing deforestation, reducing efficiency of energy usage.
- Reducing deforestation, cutting down use of fossil fuel.
Correct Option: D
In first three options CO2 concentration increases but it decreases in option (d). Global warming is increase of earth’s average temperature. Global warming is due to green house effect which is naturally occurring phenomenon that is responsible for heating of Earth’s surface and atmosphere. The main green house gas is carbon-dioxide (contribute 60%).
