The principal technique for finding ocean depth today is ________
Fill in the blank(s) with correct word
sonar (or echo sounding, or multibeam sonar)
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What was the most damaging type of eruption that occurred at Vesuvius in Italy?
A) A huge landslide caused a lateral blast that knocked down trees and buildings. B) A fast-moving viscous lava flow flowed through the middle of Pompeii. C) The volcano was so heavy that it caused part of the island to collapse. D) One or more pyroclastic flows hit the city of Pompeii. E) None of these are correct.
The concept of a land ethic maintains that we are responsible to the entire environment, not just to humans
Indicate whether the statement is true or false
All of the following are true regarding the polar cell EXCEPT
A. surface winds from the east. B. weak Coriolis Effect. C. a high pressure at poles. D. westerly winds aloft.
Which of the following trade-facilitating organizations is structured around a commodity rather than a world region?
A) OPEC B) NAFTA C) EU D) ASEAN E) the United Nations