What is one way that polymorph minerals, such as aluminum-silicates, change from one form to another?
A) Temperature and pressure conditions change with depth, causing metamorphosis.
B) They break up and change form during resedimentation.
C) Other minerals join the polymorphs during contact with igneous intrusions.
D) Fluid metamorphosis allows other elements to fit between the main mineral bonds.
Answer: A
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Answer the following statement true (T) or false (F)
Which of the following have gas chambers that serve as floats and sails that allow the wind to push them across the ocean surface?
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What coefficients balance the following equation? ____ P4 (s) + ____ H2 (g) ? ____ PH3 (g)
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