The air is an integral part of the earth’s mass and 99 per cent of the total mass of the atmosphere is confined to the height of how many km from the earth’s surface?
A. 10 km
B. 12 km
C. 24 km
D. 32 km.
Answer:D
The air is an integral part of the earth’s mass and 99 per cent of the total mass of the atmosphere is confined to the height of how many km from the earth’s surface?
A. 10 km B. 12 km C. 24 km D. 32 km.