Earth's north magnetic pole is ________
A) the same thing as the geographic North Pole
B) at 90°S
C) always changing
D) at an average latitude of 66.5°N
E) never changing
Answer: C
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The rock type that is the most common setting for caves formed by dissolution of a rock is
A) well-sorted sandstone. B) gray limestone. C) dark porous lava flows. D) gray granite. E) slate.
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Answer the following statement true (T) or false (F)
Which of the following is true of cytokines?
A) They are highly specific antibodies. B) They are long lived. C) They transmit intercellular communications. D) All of the above are correct.
Which type of breaker forms on moderately steep beach slopes?
A) Plunging breaker B) Spilling breaker C) Standing breaker D) Surging breaker E) Swelling breaker