Question

What is greenhouse effect

Answer 1

The greenhouse effect is the increase of global temperature due to some atmospheric gases. The trapping of the sun's warmth in a planet's lower atmosphere due to the greater clearness of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
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hope my answer helped u !!!

Answer 2

its when there is pollution and it rises up and there is a barrier around the earth that pollution kind of breaks small bits of the barrier and sun comes through and can melt the whole earth this is called the greenhouse effect