Question

what is green house effect? give two sources

Answer 1

The trapping of sun rays and preventing long rays to escape with the help of green house gases is called green house effect.

Answer 2

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Sources of greenhouse gases

Some greenhouse gases, like methane, are produced through agricultural practices, including livestock manure. Others, like CO2, largely result from natural processes like respiration and from the burning of fossil fuels like coal, oil and gas.