Select the option that is related to the third word in the same way as the second word is related to the first word.
Thickness : Screw gauge : : Humidity : ?
1
Gasometer
2
Odometer
3
Seismology
4
Hygrometer
Select the option that is related to the third word in the same way as the second word is related to the first word.
Thickness : Screw gauge : : Humidity : ?