1
Q
The angle of incidence of the beam of light through air was measured to be equal 23 degrees….what is the refractive index of the material
A
2.05
2
Q
what form of silica can be either white, grey, or yellow, is pearl like in appearance SG = 2.2
A
Opal
3
Q
Geologist bends a sample of a mineral
A
none of the above
4
Q
A
5
Q
A
5
Q
A
6
Q
A
7
Q
A
8
Q
A
8
Q
A
Geology
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