The main inorganic nutrients required in primary productivity include ____________ and ____________. Fill in the blank(s) with the appropriate word(s)


nitrogen, nitrate, NO3-
phosphorus, phosphate, PO43-

Environmental & Atmospheric Sciences

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Which of the following is the "Environmentalist's Paradox"?

A) As human population decreases, ecosystem health also decreases. B) As human material and economic prosperity increases, ecosystem health decreases. C) The more non-renewable resources we use, the more new resources we discover. D) As biodiversity decreases, ecosystem health increases.

Environmental & Atmospheric Sciences

The longest tornado damage path recorded anywhere on Earth extended ____ miles.?

a. ?38 b. ?76 c. ?145 d. ?190 e. ?219

Environmental & Atmospheric Sciences

Beach nourishment is the natural replenishment of sand along a beach by littoral drift

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Why are the New Madrid exceptional in the history of major earthquakes?

A. They occurred as a series of earthquakes and aftershocks. B. They occurred far away from tectonic plate boundaries. C. They occurred along a transform boundary. D. The New Madrid earthquakes were the largest earthquakes in history, as measured by the Richter Scale.

Environmental & Atmospheric Sciences