Sound travels a long way in the sofar channel because ________.
A. it is the depth of the 1% light level
B. the speed of sound is lowest in this layer
C. the speed of sound is highest in this layer
D. whales communicate in this layer
E. None of these is correct
Answer: B
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The evolution of roots allowed plants independence from moist environments and to spread over all land types
a. True b. False
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A prime example of the application of equilibrium theory can be seen in any hilly area where ________
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