Which of the following rock types represents the highest grade of metamorphism?

A) slate
B) phyllite
C) schist
D) gneiss


Answer: D

Environmental & Atmospheric Sciences

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Has the innermost part of Earth's core always been solid and constant in size?

What will be an ideal response?

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How do water and wind affect bare soil? Define and describe the process of erosion

What will be an ideal response?

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Which hydrothermal vent organisms have no mouth, digestive tract, or anus?

a. sea anemones b. white clams c. vent shrimp d. tube worms e. vent sponges

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