Work
A) does not require the expenditure of energy.
B) is unrelated to the displacement of an object.
C) is done when an air mass is lifted.
D) is equal to the mass times the acceleration.
E) all of the above
C
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Graded bedding forms when:a
erosion planes off a portion of the sea bottom. b. sediment is deposited on a steep slope or grade. c. turbidity currents deposit first coarse sediment then fine sediment. d. cross-bedding is truncated. e. turbidity currents deposit first fine sediment followed by coarse sediment
The risk of introducing a natural enemy to control an invasive species is that
A) it might drive the invasive species to extinction. B) the natural enemy might also become an invasive pest. C) the natural enemy might evolve into a new species. D) the natural enemy may introduce genetic diversity into the invasive species.
________ have resulted in mass coral bleaching and ocean acidification (due to absorption of excess CO2), which destroy the coral in the Great Barrier Reef
A) Too many divers and tourists B) Rising sea temperatures C) Bleach spilled from tankers off Australia's coast D) Oil spilled from tankers in the Coral Sea
How far does a fault move during a large earthquake?
A. 1-5 meters B. 1-5 kilometers C. 1-5 centimeters