How is stream power calculated?
A) multiply average flow velocity and volume of flow
B) multiply shear stress and average flow velocity
C) divide shear stress by average flow velocity
D) divide average flow velocity by volume of flow
Answer: B
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The fall of the Roman Empire in the fifth century A.D. brought about what change in urban settlements?
A) development of city-states B) rapid urbanization C) reduction in urban population D) revival of urban life E) increased trade
Which process of mass wasting occurs primarily in permafrost regions?
What will be an ideal response?
The Earlybird communication satellite hovers over the same point on Earth's equator indefinitely. This is because
A) forces other than Earth's gravity act on it. B) it pulls as hard on Earth as Earth pulls on it. C) it is beyond the main pull of Earth gravity. D) it is kept aloft by ground control. E) its orbital period is 24 hours.
What term describes multiple types of mass movement that occur simultaneously?
A)combination movement B)complex movement C)conjoined movement D)coherent movement E)coincidental movement