Question

Air pressure _______ with the decrease of water vapour in the air.​

Answer 1

Answer:

As the amount of water vapor in the air increases the pressure of the air

As humidity increases pressure decreases. Since water vapor is less dense than dry air if both have the same temperature, the addition of water vapor decreases the overall density of the air and lowers its pressure

Answer 2

The answer will be Air pressure increases with the decrease of water vapor in the air.

• It could be considered that water vapor in the air is also known as humidity.
• Now, we know that the density of water vapor and that of dry air are different. The density of humid air is lighter than that of dry air.
• The pressure exerted by the dry air is also known as atmospheric pressure or air pressure.
• Therefore, it could be safely concluded that the air pressure is higher than the humidity and both the parameters are related to each other in a reverse method.
• Thus, with a decrease in air humidity, the atmospheric pressure increases.

Hence, the correct word to be filled in the given blank will be Air pressure increases with the decrease of water vapor in the air.

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