Which of the following is not one of the Earth's environmental reservoirs for essential elements?

a. All are reservoirs
b. Rocks
c. Water
d. Atmosphere
e. Sediments


a

Biology & Microbiology

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what occurs during diagnosis?

What will be an ideal response?

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The global pattern of air circulation begins at

a. the equator. b. 30 degrees north latitude. c. 30 degrees south latitude. d. 60 degrees north latitude. e. 60 degrees south latitude.

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Cool deserts are dominated by

A) shrubs such as Artemisia tridentata. B) trees such as willow or poplar. C) tall-growth forms of saguaro. D) ground-dwelling succulents.

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In a transmission electron microscope, the "lenses" are

A) made of glass. B) thin films of metal. C) lasers. D) magnets. E) vacuums.

Biology & Microbiology