Question

Please help!

Which statement is not an example of a way a mineral can form?

A.
Scientists grow a diamond under laboratory conditions.

B.
A tourmaline crystal forms from magma cooling very slowly underground.

C.
Pressure underground causes particles in rock to reorganize, forming garnet.

D.
Dissolved substances crystallize on the bottom of a lake as dolomite.

Answer 1

Two unknown mineral samples, A and B, are rubbed against each other. Mineral A scratches mineral B. What can you infer about the minerals?(1 point)
Responses

Mineral A is harder than mineral B.
Mineral A is harder than mineral B.

Mineral B is harder than mineral A.
Mineral B is harder than mineral A.

Mineral A is more dense than mineral B.
Mineral A is more dense than mineral B.

Mineral B is more dense than mineral A.

Answer 2

Which of the following statements about mining booms is true?(1 point)
Responses

Property values tend to increase in the short term.
Property values tend to increase in the short term.

The economy tends to grow in the long term.
The economy tends to grow in the long term.

Unemployment rates tend to increase in the short term.
Unemployment rates tend to increase in the short term.

The population tends to grow in the long term.

Answer 3

Mineral A is harder than mineral B.

Answer 4

The economy tends to grow in the long term.