Another name for a nutrient cycle in an ecosystem is a

A. menstrual cycle.
B. hydrogen cycle.
C. diurnal cycle.
D. biogeochemical cycle.


Answer: D

Environmental & Atmospheric Sciences

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Climate depends on

A. elevation. B. latitude. C. ocean currents. D. all of these

Environmental & Atmospheric Sciences

Which of the following was not an impact of the Mount Pinatubo eruption in June 1991?

A) A decrease in atmospheric aerosols B) Injection of 15 - 20 million tons of sulfur dioxide droplets into the stratosphere C) Worldwide transport of aerosols D) A temporary average cooling of 0.5° C (0.9° F) E) Increase in atmospheric albedo

Environmental & Atmospheric Sciences

Earthquakes with a very deep focus are usually located along ________

A) a divergent plate boundary such as the Mid-Atlantic Ridge B) a convergent boundary such as the Peru-Chile trench C) a hot spot chain such as the Hawaiian Islands D) a transform boundary such as the San Andreas

Environmental & Atmospheric Sciences

In an advancing glacier

A. ablation exceeds accumulation. B. basal sliding always occurs. C. accumulation exceeds ablation. D. accumulation equals ablation.

Environmental & Atmospheric Sciences