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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A prime example of the application of equilibrium theory can be seen in any hilly area where ________
A) tectonic plate boundaries are close by B) peneplains exist C) floodplains dominate the valley bottoms D) terraces are found on hillsides E) tectonic uplift and fluvial erosion are simultaneous
Which of the following is an alternative term that meteorologists use for explosive cyclogenesis?
A. cut-off low cyclogenesis B. lee-side low development C. bomb D. deepening shortwave
The evolution of roots allowed plants independence from moist environments and to spread over all land types
a. True b. False
How do jet streams form??
What will be the ideal response?