Question

What is the definition of Greenhouse Effect?

Answer 1

the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.

i hope it will help

Answer 2

The greenhouse effect is defined as when the earth's atmosphere becomes thick with gases and substances which trap the sun's radiation making the earth warmer.
For example - Global warming; etc.

Hope it helps you....
please mark me as branliest