As lava cools below the ________ point, a record of the Earth's magnetic field is permanently trapped in the rock.
A. Curie
B. boiling
C. burning
D. melting
E. freezing
Answer: A
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Which is not a characteristic of an arthropod?
A) Exoskeleton B) Articulation of appendages C) Striated muscle D) Central nervous system
If you rode a helium balloon from the Earth's surface to the top of the stratosphere, you would notice that the temperatures
A) dropped steadily as you increased your altitude. B) increased steadily as you increased your altitude. C) dropped and then started to rise in the stratosphere about halfway through your trip. D) rose and then started to drop in the mesosphere about halfway through your trip.
The physical and chemical processes involved in conversion of a sediment to a sedimentary rock are known as:
a. cementation b. lithification c. compaction d. crystallization
Suppose yesterday morning you noticed ice crystals (frost) on the grass, yet the minimum temperature reported in the newspaper was only 35°F. The most likely reason for this apparent discrepancy is that
a. ?temperature readings are taken in instrument shelters more than 5 feet above the ground. b. ?the thermometer was in error. c. ?the newspaper reported the wrong temperature. d. ?the thermometer was read before the minimum temperature was reached for that day. e. ?the thermometer was read incorrectly.