Consider the following statements:
1. Nearly 99% of the total mass of the atmosphere lies within 30 km of the Earth's surface.
2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth's surface.
Which of the statements given above is/are correct?
A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
Answer: Option A
Solution (By Examveda Team)
Nearly 99% of the total mass of the atmosphere lies within 30 km of the Earth's surface. About 99% of the total atmospheric mass is concentrated in the first 20 miles (32 km) above Earth's surface.This Question Belongs to Geography >> Atmosphere
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