Question

what do you mean by 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.

Answer 2

The greenhouse effect is a naturally occurring phenomena where the atmosphere crafts part of the sun's energy for heating the Earth's surface .Without the natural greenhouse effect the average temperature of the Earth surface would be below freezing point of water does natural greenhouse effect makes life possible