Question

Your _____ indicates that the relative humidity is very low. Rain probably _____ occur.
A-psychrometer,
B-will psychrometer,
C-won't anemometer,
D-will anemometer, won't

Answer 1

Your PSYCHROMETER indicates that the relative humidity is very low. Rain probably WON'T occur.

Answer 2

Your psychrometer indicates that the relative humidity is very low. Rain probably won't occur.

A psychrometer consist of two thermometers - a dry bulb thermometer that is used to measure the temperature by being exposed to the air  and a wet bulb thermometer that measures the temperature by having the bulb dipped in a liquid. This instrument measures the relative humidity in the atmosphere through the use of these two thermometers.