3. The pressure at Chennai is more than the pressure at the hill station Ooty. Which of these sentences could explain why this is so? (More than one option could be correct.)
a. Hot air exerts less pressure than cold air.
b. Dry air is lighter than air laden with moisture.
C Pressure decreases with increase in height.
d. None of the above.
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Answer:
pressure decreases with increase in height
Explanation:
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