In earth's atmosphere if there was no CO2, the temperture of the earth's surface would be __.

Q. In earth’s atmosphere if there was no CO2, the temperture of the earth’s surface would be __.

A

Same as the present

B

Less than the present

C

Higher than the present

D

Depends on the amount of CO2 in the atmosphere

Solution:

Carbon dioxide is a greenhouse gas that traps infrared radiation heat in the atmosphere.
It is the carbon source for plants.
It is an effective gas and it helps in maintaining the greenhouse framework that helps to characterize the modern climate.
If there is no CO2, It would translate into a global cooling of about 2.5 degrees.

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