Select the word pair in which the two words are related in the same way as the two words in the following word pair:
Barometer : Atmospheric Pressure
1
Bolometer : Sound
2
Hygrometer : Humidity
3
Odometer : Speed
4
Voltmeter : Electric current
Select the word pair in which the two words are related in the same way as the two words in the following word pair:
Barometer : Atmospheric Pressure