Rock may melt by ________.
A. raising its temperature
B. lowering the pressure on it
C. increasing its water content
D. All of these choices are correct.
Answer: D
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Acid deposition is minor in the American Midwest
Indicate whether the statement is true or false.
Measurements of corals in the Caribbean to determine sea level rise and fall are hampered by
A) difficulties with carbon-dating methods due to the way that corals incorporate carbon into their shells. B) a lack of knowledge about how much tectonic uplift and subsidence have occurred. C) difficulties in finding all remaining corals buried in sediment. D) changes in the sea due to local weather conditions.
Coral reefs are made of:
a. volcanic rock. b. metamorphic rock. c. gravel-sized marine sediments. d. seaweed. e. limestone skeletons of tiny marine animals.
The hydrosphere refers to the snow and ice that exist at Earth's surface
Indicate whether the statement is true or false