The coldest region of the Earth’s atmosphere is November 10, 2021September 14, 2022 mbilal005 Everyday Science MCQs FPSC NTS PPSC Past Papers Test Questions, FPSC Assistant Director Past Papers MCQs Solved Test Questions with Answers (A) Exosphere(B) Thermosphere(C) Stratopause(D) Mesopause The answer is: (D) Mesopause