Q222
The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the
A.
Ionosphere
B.
Troposphere
AnswerC.
Stratosphere
D.
None of these
Answer: Option B
Solution
Answer: Option B
No explanation is given for this question Let's Discuss on Board