Normal Greenhouse Effect Is Important for the Sustenance of Life on Earth as it Has Increased the Earth’s Surface Temperature By

Q. Normal Greenhouse Effect Is Important for the Sustenance of Life on Earth as it Has Increased the Earth’s Surface Temperature By

A.            15 ℃

B.            50 ℃

C.            – 18 ℃

D.            33 ℃

Answer: 33 ℃