A laboratory analysis of index minerals in a metamorphic rock indicates that temperature and pressure were decreasing as a specific mineral was growing. Why would the conditions for mineral growth change?
A. The rock was being uplifted to the surface.
B. Hydrothermal fluids were invading the rock.
C. A blob of magma was moving toward the rock.
D. The rock was being carried downward by subduction.
E. The rock was being folded by differential stress.
Answer: A
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The Pyrenees Mountains create a natural boundary between France and:
A. Spain. B. Italy. C. Germany. D. Belgium.
Which of the following describes the likely formation of occluded fronts?
A. A cold front overtakes a warm front. B. A warm front overtakes a cold front. C. Overrunning occurs along a warm front. D. A cold front overtakes a squall line.
The feature at location 3 is probably
A) a divergent boundary.
B) a convergent boundary.
C) a subduction zone.
D) where two plates are colliding.
E) not a plate boundary.
Locavores are people who
A) always eat the same food in the same location. B) eat locally grown food to reduce waste and refrigeration and transportation costs. C) identify themselves as carnivores and eat only meat. D) seek non-traditional forms of protein such as insects, marine invertebrates, and fungi.