Breakwaters alter beaches by ____
A) diverting sand away from boat anchorages that the breakwater was built to provide
B) interrupting the progress of waves to the beach and weakening the longshore current
C) allowing freshwater to flow readily into the ocean
D) filling in bays or inlets
B
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Hydraulic fracturing (fracking) is
A) the use of cold fusion to produce nuclear power. B) an experimental technique for extracting oil from the ocean floor. C) a new technique of producing power using water. D) a technique which forces oil and gas out of shale rock. E) a long-established technique of drilling for water that dates back centuries
In the western Pacific, a large tropical storm is called a typhoon.
a. true b. false
Bacteria and fungal spores are potential ________
A) the cause of high pesticide use in the home B) VOCs and POPs C) sources of radon in the home D) problems in degrading the ozone layer E) causes of "sick-building syndrome"
Papua New Guinea is the world's most linguistically diverse country, with approximately 850 languages spoken present on the island
a. True b. False Indicate whether the statement is true or false