Question

where does greenhouse effect can be used for human welfare​

Answer 1

Answer:

Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere.

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Answer 2

Greenhouse gases help to trap the solar radiation of the sun otherwise the heat would have escaped from the atmosphere of the Earth.