What grade of metamorphism occurs at a depth of 6 km and a temperature of 100 degrees C?
A) lithification of sedimentary rocks
B) medium-grade metamorphism
C) not found on Earth
D) low-grade metamorphism
Answer: A
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Which of the following statements is not correct?
a. Calm, cloudy nights are usually warmer than calm, clear nights. b. Each year the earth's surface radiates away more energy than it receives from the sun. c. The horizontal transport of heat by the wind is called advection. d. Good absorbers of radiation are usually poor emitters of radiation.
Where are continental volcanic arcs found?
a) on the overriding plate near a subduction zone b) on the overriding plate near a mid-ocean ridge c) on the downgoing plate near a subduction zone d) on the downgoing plate near a mid-ocean ridge
Summertime weather in Northern California often consists of low clouds and fog due to ____
A) southerly prevailing winds B) warm coastal water C) cold coastal water D) katabatic winds
Population growth in Europe is being fueled by natural increase, not by immigration.
a. true b. false