When a car travels around a circular track at a constant speed, its
A. acceleration is zero.
B. velocity is zero.
C. both of these
D. none of the above
Answer: D
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A crevasse stops in a glacier at a depth
A) equal to the crustal boundary. B) where plastic deformation occurs. C) of 50 meters. D) located at the rock or regolith below the glacier.
Observing and forecasting small, short lived weather events (such as a thunderstorm) is strongly dependent on radar
Indicate whether the statement is true or false
The geographic location of the magnetic North Pole has varied over geologic time.
Answer the following statement true (T) or false (F)
Earth's largest mountains are found
A. in the Indian subcontinent. B. under the sea. C. in the western U.S. and Canada. D. forming the mountainous backbone of western South America.