A change in magma composition due to melting of surrounding country rock is called
A. crystal setting
B. assimilation
C. partial melting
D. magma mixing
Answer: B
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Uplifted blocks are called:a
tensional blocks. b. grabens. c. horsts. d. fault blocks. e. graves
When oceanic plates meet continental plates at a convergent boundary, a ____.?
a. subduction zone will form because the oceanic plate is more dense than the continental plate b. subduction zone will form because the oceanic plate is less dense than the continental plate c. rift zone will form because the oceanic plate is more dense than the continental plate d. rift zone will form because the oceanic plate is less dense than the continental plate e. ?subduction zone will form on the oceanic plate, and a rift zone will form on the continental plate
How do seasons affect the surface winds?
A) During the northern summer, the surface winds shift to the south. B) During the northern winter, the surface winds shift to the south. C) During the northern winter, the surface winds shift to the north. D) All of these choices
Which European country divided into two after 1990?
A) Czechoslovakia B) Yugoslavia C) Germany D) Ireland E) Romania