The large ocean that existed ~220 million years ago, forming about 60% of the Earth's surface was known as ________.
A. Rodinia
B. Panthalassa
C. Pangea
D. Gondwanaland
Answer: B
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Where does the majority of oil pollution in the ocean come from?
A. blowouts (oil escapes under high pressure from a borehole on the ocean floor ) B. tanker accidents C. fisheries D. runoff from land E. cruise ships
A charged balloon neatly illustrates that something can have a great amount of
A) potential energy and a low voltage. B) voltage and a small potential energy. C) both voltage and potential energy. D) none of the above
The term of "Sedimentary Basins" refers to a depression, created as a consequence of subsidence that fills with sediment.
a. true b. false
The deep-ocean trenches are usually associated with ________.
A. volcanism B. earthquakes C. island arc systems D. All of these are correct. E. None of these is correct.