Respuesta :

Answer:

Hygrometers

Explanation:

Barometer: a scientific instrument that we use to measure air pressure in an environment

Hygrometers: a hygrometer is a device that is used to measure the humidity in the air

Anemometer: for measuring wind speed and direction

Thermometer: a device that we use to measure temperature

Hair is not an instrument.

Answer:

hygrometers and hair.

Explanation:

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