The fact that a thermometer "takes its own temperature" illustrates
A) thermal equilibrium.
B) energy conservation.
C) the difference between heat and thermal energy.
D) the fact that molecules are constantly moving.
A
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a tornado watch is issued. b. its direction of movement is carefully monitored by aircraft. c. a tornado warning is issued. d. hail begins to fall from the cloud. e. attempts may be made to change its direction of movement.
What was the average rate of plate movement between the formation of the volcanic centers on Maui and Molokai? (in mm/yr)
What are the two most abundant elements in Earth’s crust?
a. oxygen and aluminum. b. quartz and feldspar. c. silicates and carbonates d. silicon and oxygen.
Which of the following is the greatest cause of extinction today?
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