Which of the following statement is/are correct
(a) The mesosphere is located about 50 to 85 kilometers (30 to 50 miles) above the Earth's surface
(b) The stratosphere and mesosphere are referred to as the middle atmosphere
(c) The mesopause, at an altitude of 80-90 km, separates the mesosphere from the thermosphere 80-70 km
(d) All the above

Options

A. The mesosphere is located about 50 to 85 kilometers (30 to 50 miles) above the Earth's surface
B. The stratosphere and mesosphere are referred to as the middle atmosphere
C. The mesopause, at an altitude of 80-90 km, separates the mesosphere from the hermosphere 80-7095
D. All the above

Answer

D