Q.7- Which of the following statement is correct about Atmospheric pressure? a. It is highest at sea level b. It decreases with increase in altitude c. It is caused due to weight of air molecules d. All of these
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Answer:
D
Explanation:
It is the pressure exerted due to the weight of the air molecules, and hence is Highest at the sea level because at that point it is the pressure exerted by all the molecules above it.
and hence for the same reason, it decreases with increase in altitude as the number of air molecules above that point will decrease
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