Sewage treatment plants often use the same denitrification process that occurs in soils and bodies of water. The process of denitrification involves ________

A) the conversion of atmospheric nitrogen to reactive nitrogen
B) the removal of oxygen from sewage
C) the bubbling of oxygen into sewage
D) the conversion of reactive nitrogen into unreactive nitrogen


D

Environmental & Atmospheric Sciences

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The air we breathe is part of the __________.

a. asthenosphere b. geosphere c. atmosphere d. biosphere e. all of the above

Environmental & Atmospheric Sciences

Victoria Falls is located on the:

A) Nile River B) Congo River C) Zambezi River D) Niger River E) none of the above

Environmental & Atmospheric Sciences

Why does precipitation tend to be higher in the tropics than in the subtropics?

A. Hadley cells B. lack of moisture in the subtropics C. orography D. differences in convection E. oceanic circulations

Environmental & Atmospheric Sciences

Dark-light couplets of sedimentary laminations representing an annual deposit in a glacial lake are

____________________. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences