The only biogeochemical cycle of any significance is the carbon cycle.

a. true
b. false


Answer: b. false

Environmental & Atmospheric Sciences

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What is the atomic number of the element produced when an element with atomic number Z undergoes electron capture?

A) Z __ 2 B) Z __ 1 C) Z + 1 D) Z + 2

Environmental & Atmospheric Sciences

Although convection in the asthenosphere is widely accepted as the cause of plate movements, it may be that the weight of down-going lithosphere in subduction zones pulls the trailing plate behind it.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

The area within 200 nautical miles of its shoreline to which the U.S. claims all mineral resources is called the ____

A)Continental Shelf B)Marginal Marine Territory C)Exclusive Economic Zone D)Marine Mineral Territory E)Marine Mineral Zone

Environmental & Atmospheric Sciences

Tuberculosis is caused by ____.

A. mosquitoes B. flies C. viruses D. bacteria E. protozoa

Environmental & Atmospheric Sciences