Friction
A) increases with altitude.
B) is greater near the ground surface.
C) diminishes turbulence.
D) is responsible for weaker winds aloft.
B) is greater near the ground surface.
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Due to atmospheric refraction, which of the following explains the appearance of a star seen near the Earth's horizon?
A. It is actually much farther away than it appears. B. It is actually much dimmer than it appears. C. It is actually slightly lower than it appears. D. It is actually slightly higher than it appears.
Which of the following is not a reason for the seasons?
A) the revolution of Earth around the Sun B) the timing of Earth's perihelion and aphelion C) Earth's axial tilt D) the oblate spheroidal shape of Earth E) the orientation of Earth's axis
Wave action works to straighten a coast as wave energy focuses around headlands in a process called
A) tidal bore. B) wave refraction. C) breakers. D) longshore current.
Coral bleaching refers to
A) the process whereby coral change color to avoid detection by predators. B) the loss of algae from the coral. C) the killing of coral formations by chlorine bleach pollution. D) the replacement of normal, colored algae by white algae.