Which of the following instruments derives the air temperature by measuring emitted infrared energy?
A. bimetallic thermometer
B. radiometer
C. electrical resistance thermometer
D. thermistor
Answer: B
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When the separation distance between a pair of stars becomes twice their usual distance the force between them
A. increases to twice as much. B. increases to four times as much. C. decreases by one-quarter. D. decreases by one-half.
Squall lines
A) happen along the boundary of stable air. B) are most frequently found ahead of extratropical cyclone warm fronts. C) have updrafts that are perpendicular to the ground. D) need divergence aloft. E) are not associated with shelf clouds.
Which of the following describes where hail can come from during a severe thunderstorm?
A. It can fall from the top of the anvil. B. It can remain aloft indefinitely C. It can be tossed in the sides of a cloud. D. It can fall from the bottom of a cloud.
The extension at ____________ boundaries causes splitting and rifting of lithosphere. Fill in the blank(s) with the appropriate word(s)