When olivine is undergoing a mineral phase change due to pressure, what mineral will it form?
A) Perovskite
B) Quartz
C) Pyroxene
D) Spinel
Answer: D
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A steel section of the Alaska pipeline was recorded to shrink by 3.4 cm on a cold day. If the same section were twice as long, shrinkage would be
A. more than 6.8 cm. B. 6.8 cm. C. also 3.4 cm. D. 0.17 cm.
All of the following is true regarding the flow of air aloft in the midlatitudes except
A) west to east flow. B) east to west flow. C) wind speed aloft is greater than wind speed at the surface. D) circulation is restricted to the troposphere.
Why is carbon better than lead as a moderator in nuclear reactors?
A) Carbon produces the high energy, high speed neutrons necessary for maintaining the nuclear chain reaction. B) Carbon slows down the neutrons making them more effective in stimulating the nuclear chain reaction. C) Lead absorbs the neutrons rather than allowing them to rebound to maintain the nuclear chain reaction. D) Lead slows down the neutrons making them less effective in stimulating the nuclear chain reaction.
The Ancestral Rockies formed via continental-continental collision along the western margin of North America
a. True b. False