1
Metals are good conductors of ____
2
The process of restoring land that has been mined
3
An instrument that measures and records earthquakes
4
The amount of water vapor in the air
5
Gas that accounts for 78% of Earth's atmosphere
6
A field for a fault finder
7
A mixture of two or more metals
8
A place, typically a large pit, from which minerals are extracted
9
Geologic span of time
