Question
Greenhouse effect
Answer :
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The greenhouse effect is a natural atmospheric process that regulates the Earth’s temperature and makes it suitable for life. Solar radiation from the Sun reaches the Earth’s surface, where a portion is absorbed and the rest is reflected back into space. The absorbed energy is re-emitted as infrared radiation. Greenhouse gases present in the atmosphere, such as carbon dioxide, methane, water vapour, nitrous oxide, and ozone, absorb and re-radiate this infrared energy, trapping heat within the lower atmosphere. This process maintains the Earth’s average temperature at a level that supports ecosystems and human existence.
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