Answer:
Seismic waves are measured.
Explanation:
During an earthquake, there is a build-up of stress. When it is released it sends different shock waves or seismic waves. While we feel this travelling to the surface as earthquakes, the waves also travel towards the core. As it passes through the mantle, the outer core and the inner core the waves refract around the different mediums and are measured on other areas of the surface.
Answer:
they worship different god
I assume you meant which method is least reliable for identification.
If so, the answer would be COLOR, since there are many minerals that are different, yet share similar color. So it wouldn't be reliable to identify a mineral based off it's color.
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