Match the following. Match the items in the left column to the items in the right column.

Question

1. correlation spectrometer
instrument used to measure volcanic gases
2. plume
gassy smoke released by a volcano
3. tiltmeter
instrument used to measure ground swelling

Answer 1

Here is the matched list:

1. correlation spectrometer - instrument used to measure volcanic gases
2. plume - gassy smoke released by a volcano
3. tiltmeter - instrument used to measure ground swelling