All living things of the Earth system constitute the ____
a. atmosphere
b. lithosphere
c. hydrosphere
d. biosphere
e. asthenosphere
d
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Lightweight Jane and a heavyweight Jack jump from an airplane and open their same-sized parachutes at the same time. Who reaches a state of zero acceleration first?
A. Jane. B. Jack. C. both at the same time D. not enough information
Why are long wavelength waves considered to be the most powerful? Consider wave base in
answering this question. What will be an ideal response?
The largest earthquakes along western North America are due to subduction beneath the continent. They include ________.
A. the magnitude 8.1 Mexico City event in 1985 which was caused by subduction of the Cocos Plate B. the plates subducting beneath Oregon and Washington which generated a magnitude 9 earthquake on 26 January 1700 C. the magnitude 9.2 Alaska earthquake in 1964 which was due to subduction of the Pacific Plate D. All of these choices are correct.
What are the dominant features on the surface of Mercury?
A. large canyons cut by running water B. impact craters of various sizes C. large dark burn marks because of the proximity to the Sun D. pools of highly reflective liquid mercury