Q129
Typically, water vapour occupies about what percentage of the air's volume near the earth's surface?
A.
About 78 percent
B.
About 21 percent
C.
Close to 10 percent
D.
Less than 4 percent
AnswerE.
None of these
Answer: Option D
Solution
Answer: Option D
Solution:
Typically, water vapour occupies about less than 4 percent of the air's volume near the earth's surface.