Question

what is the fluid and humidity​

Answer 1

Answer:

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Water is present as a liquid and as a gas in the atmosphere. When water is a gas, it is called water vapor. ... The amount of water vapor in the air is called humidity. The amount of water vapor the air can hold depends on the temperature of the air.

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Answer 2

Answer:

FLUID

a substance that has no fixed shape and yields easily to external pressure; a gas or (especially) a liquid.

HUMIDITY

Humidity is the concentration of water vapour present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye.[1] Humidity indicates the likelihood for precipitation, dew, or fog to be present.