Other than the rock itself, the most important chemical substance needed for the majority of weathering processes is
A) nitrogen. B) carbon dioxide. C) oxygen. D) water.
D
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What could happen if global warming were to continue?
a. Changes in global winds and rainfall b. Rise in ocean temperatures c. Decrease in dissolved gases d. All of these choices
What drives deep ocean currents?
a. the rotation of the Earth b. the Earth's magnetic field c. wind d. waves e. density
Bycatch ________
A) refers to the accidental capture of animals B) is the practice of returning female and young fish back to the ocean C) is fishing only at deep levels of the ocean D) is fishing for two species of fish concurrently E) is fishing only at the surface of the ocean
The volume of magma expelled in an eruption depends on ____ of the magma
a. ?the temperature and volatiles but not the viscosity b. ?the temperature and viscosity but not the volatiles c. ?both the viscosity and volatiles d. ?only the volatiles e. ?the temperature, viscosity, and volatiles