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

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.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.