In which geologic setting is the most widespread occurrence of hydrothermal metamorphism found?
A) Subduction zones between oceanic and continental plates
B) Along the axis of a mid-ocean ridge system
C) Along transform plate boundaries
D) Where mantle plumes interact with the bottom of continental plates
Answer: B
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Indicate whether the statement is true or false
A rock that is 20 million years old comes from the ________ Epoch
A) Miocene B) Cretaceous C) Jurassic D) Paleocene
Why is water a necessary component of the melting process in subduction zones?
a) The addition of water lowers the friction experienced by rising magma. b) Water is a liquid, and rock needs to encounter a liquid in order to become a liquid. c) The addition of water lowers the melting temperature of rock. d) Water creates a buoyant force that allows the magma to rise. e) Water changes the density of the rock, allowing the rock to melt.
What will be the new temperature of dry air that started at 25°C and was lifted 1 kilometer?
A. 25°C B. 10°C C. 35°C D. 5°C E. 15°C