Q. If there is no greenhouse effect, the average temperature at the surface of earth would have been
A) $15℃$
B) $- 18℃$
C) $- 6℃$
D) $20℃$
Explanation
If there is no greenhouse effect, the average temperature at the surface of earth would have been $- 18℃$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.