Discuss the three agents responsible for metamorphism. How does each agent influence the metamorphic process? What will be an ideal response?
The student should discuss heat, pressure, and chemical fluids. Heat increases the rate of
chemical reactions and may cause recrystallization of minerals. Pressure may cause tabular or
platy minerals to display parallel orientations. Chemical fluids may result in deposition of
soluble compounds in metamorphic rocks.
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How does the average fat stores for moose when there are no wolves on Isle Royale compare to average fat stores when there are many wolves?
a. Average fat stores tends to be lower when there are no wolves. b. Average fat stores tends to be higher when there are no wolves. c. Average fat stores is not related to wolf presence. d. Average fat stores depends on how many wolves were initially introduced.
Describe the two mechanisms of autotrophy. Where on Earth might you expect to find one or the other of these two pathways to dominate?
What will be an ideal response?
The word "graben" originates from
A) the German word for "ditch." B) the English word for "grab." C) the German word for "tumble." D) the Japanese word for "nest."
What two roles do ring moons play in the nature of planetary ring systems?
What will be an ideal response?