Question

What is a greenhouse gas?

Answer 1

Answer:

Explanation:

Green house gas is a gas that contributes to the greenhouse effect by absorbing infrared radiation. Carbon dioxide is one of the examples of greenhouse gases.

Answer 2

Greenhouse gases are the gases that make up the earth's atmosphere and trap heat.

• These gases allow the sun's rays to pass through the atmospheric layers but trap the heat in the sun's rays and avert them from leaving the atmosphere.

• The process of trapping sun's heat is called as the Greenhouse Effect.

• The main greenhouse gases are : water vapour, carbon-di-oxide and methane.

• It is because of these greenhouse gases that the earth's atmosphere has optimum temperature for life, otherwise the earth's temperature would have been a lot more colder.

• Many fold increase in emissions, has nowadays resulted in very high rise in levels of CO2 in the atmosphere which can again has catastrophic effects on human life.

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