This diagram shows the temperature structure of Earth's atmosphere, and dashed lines separate different atmospheric regions. Which region is the troposphere?
A) Region 1
B) Region 2
C) Region 3
D) Region 4
A) Region 1
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Human beings mostly emit which kind of electromagnetic radiation?
A) ultraviolet B) visible C) microwave D) infrared
The small circles in the diagram below represent the positions along the x axis of a body at equal time intervals. Assume the body moves in a straight line.
This diagram is most likely to describe
A. a swimmer swimming laps. B. an exercise on a rowing machine. C. a person on a treadmill. D. a tennis ball during a volley. E. a runner who tripped, fell, rose, and continued racing.
States that observers cannot detect their uniform motion through space through internal tests
Regions of Earth where the Sun is more directly overhead will experience ________.
A. colder weather B. warmer weather C. more eclipses D. longer nights E. None of these choices is correct.