The greenhouse gas that maintains the earth's temperature is ______?

The greenhouse gas that maintains the earth's temperature is ______?

گرین ہاؤس گیس جو زمین کے درجہ حرارت کو برقرار رکھتی ہے ______ ہے؟
Explanation

Carbon dioxide (CO₂) is a major greenhouse gas that helps trap heat in the Earth’s atmosphere.

It plays a key role in maintaining Earth’s temperature but excess CO₂ leads to global warming.