Define metamorphic grade
What will be an ideal response?
Answer: The degree to which a parent rock changes during metamorphism.
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Bedrock and sediment in a stream is most susceptible to erosion if it is
A) in slow-moving water in an eddy. B) in a site that is sheltered from oncoming clasts. C) located in a turbulent part of the river. D) composed entirely of large clasts that affect stream flow. E) All of these are correct.
The river routeway that brought the Vikings (Varangians) to Russia was the
A. the Volga B. the Dnieper C. the Ob D. the Yenessey
An mT air mass moving toward San Diego from the eastern tropical Pacific
A) is forced to rise by mountains. B) must cross a desert. C) is modified by the cold California current. D) becomes warmer and more humid.
Sedimentary rock on ________ will enable planetary geologists to one day unravel its history.
A. Jupiter B. Io C. Mercury D. Mars E. the moon