Which of the following mineral identification techniques would most easily identify calcite?
A) Taste
B) Streak
C) Magnetism
D) Effervescence
Question 2
In an aqueous solution that has not reached the saturation point, why won't the ions bond to create mineral crystals?
A) The opposite charges of the ions repel each other.
B) The ions are too close together to form a regular internal crystalline structure.
C) The motion of the dissolved ions keeps them from joining.
D) There are too few ions to make any minerals.
Astronaut Piers Sellers during the third spacewalk of STS-121, a demonstration of orbiter heat shiel
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