Large ________ extend for considerable distances and depths through rock. Below the surface, there is minimal separation between the blocks on either side
A) vesicles
B) master joints
C) solution cavities
D) glory holes
E) faults
Answer: B
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What types of rocks would be most common in the small volcano in this photograph?
A) Scoria and other vesicular basalt
B) Basalt mostly formed in lava flows
C) Felsic and intermediate lava flows
D) Welded tuff and tephra
E) None of these are correct.
The largest lateral, ground displacement is produced by ________.
a.) horizontally vibrating surface waves b.) the S wave reflected from the core-mantle boundary c.) vertically vibrating P waves refracted across the Moho d.) first P arrival reflecting from the inner-outer core boundary
As arctic temperatures rise, summer sea ice and glacial melt accelerates; lighter color surfaces are thereby replaced with darker-colored surfaces leading to more absorption and surface heating. This is an example of a(n) ________ feedback
A) dynamic B) negative C) reverse D) positive
Which of the following is considered to truly be a nation state?
A. Australia B. Iceland C. The United States and Australia D. Spain E. The United States