How is humidity related to air pressure?

Responses

Air pressure is lower below sea level because of the humidity.

Air pressure is lower below sea level because of the humidity.

Humidity and air pressure are not related.

Humidity and air pressure are not related.

Humid air has higher pressure because of the heaviness of water.

Humid air has higher pressure because of the heaviness of water.

Humid air is lighter, so it has lower pressure.

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