Metamorphism may involve all of the following except ________.
A. metasomatism
B. complete melting of the rock
C. recrystallization
D. formation of new minerals
E. changes in rock texture: grain size, grain shape, foliation, et cetera
Answer: B
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When a heavy stone thrown straight up reaches the top of its path, its velocity is
A. zero and its acceleration is 10 m/s2. B. 10 m/s and its acceleration is zero. C. 10 m/s and its acceleration is 10 m/s2. D. zero and its acceleration is zero.
Judge the following sentence according to the criteria given below. Evidence for the erosion and modification of the landscape by the wind is not seen everywhere in desert climates because some places in the desert lack vegetation and have strong winds
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct but the reason is incorrect. D) The assertion is incorrect but the reason is correct. E) Both the assertion and the reason are incorrect.
Which of the following primary pressure areas are produced by dynamic factors, rather than thermal factors?
A) subtropical high and subpolar low B) equatorial low and polar high C) equatorial low and Bermuda high D) Aleutian low and Icelandic low
What are eating and drinking establishments, personal services, and repair and maintenance?
A) transportation and communications B) wholesale and retail trade C) consumer services D) producer services E) government