Which of the following is the predominant process that forms the thick blanket of sediment on abyssal plains the deep-ocean floor?
A) Black smokers
B) Melting icebergs
C) Precipitation
D) Suspension settling
E) Undersea streams
D
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True or False: Work on or within Earth does not require energy
Indicate whether this statement is true or false.
Why is the thawing of permafrost in the Arctic of special concern?
A) As permafrost thaws, it will contribute to global sea level rise. B) Wet peatland forests will be further drained and logged as the conditions are conducive for such activity. C) Most permafrost is in the Southern Hemisphere where the thawing is contributing to a decline in global biodiversity. D) Permafrost thawing releases massive amounts of methane into the atmosphere, which could further amplify warming. E) Thawing permafrost will lead to increased solifluction.
How do most salt deposits form?
A. rapid deposition offshore of deltas, like in the Gulf of Mexico B. dense slurries of sediment and water along continental slopes C. conversion of limestone to dolostone D. evaporation of water, such as in restricted seaways
What is the decrease in pressure that occurs as water moves through a hose?
a. water hammer b. residual pressure c. friction loss d. kinetic energy