Answer:
A natural process
Step-by-step explanation:
It is a natural process due to the Earth's surface being heated up by certain gasses.
Hope it helps!
(Credit to person above me, they answered first :D)
The greenhouse effect is a natural process, but if we put too much chemicals in the atmosphere we can increase the effects. But yes, it is Earth's way of keeping us from burning or freezing to death. It is natural.
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