Long linear limestone masses composed of skeletal material and forming a barrier between a
shallow platform on one side and a comparatively deep marine basin on the other side:a.
barrier islands d. beaches
b. ophiolites e. alluvial fans
c. barrier reefs
C
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The highest mountain range in Russia is:
A) Urals B) Balkans C) Caucasus D) Pamirs E) Tien Shan
P waves moving through the base of continents move at about ________ km/sec, but once they cross the Moho, the velocity changes to ________ km/sec
A) 8; 4 B) 2; 10 C) 6; 8 D) 3; 9
Much of what we know about the internal structure and composition of Earth has come from the study of ____
a. satellite imagery b. volcanic eruptions c. seismic waves d. deep-ocean sediments
Which of the following aquatic ecosystems is most capable of diluting, dispersing, and degrading large amounts of sewage, sludge, and oil?
a. estuary b. swiftly flowing stream c. deep-water ocean d. coastal parts of the ocean e. slow-moving river