You want to maintain a healthy pond at your school site. Last year another pond became eutrophic; to avoid that, you want to ________

A) provide nitrogen for good nutrient mixing in the benthic zone
B) increase the ozone in the littoral zone
C) avoid increasing phosphorus runoff into the limnetic zone
D) decrease the calcium available in the profundal zone
E) increase the carbon-based fertilizers in the littoral zone


C

Environmental & Atmospheric Sciences

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Which of the following is not regolith?

A) parent material for soil B) products of physical weathering C) the second layer in a sedimentary bed D) sediment

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During colder climatic periods, the concentration of O-18 in the ocean decreases

Indicate whether the statement is true or false

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Which month will India most likely experience the greatest cumulative rainfall?

A) December B) May C) March D) October E) July

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The dot on this map represents Missouri. Based on your knowledge of the anticyclone's wind direction, how would temperatures change between 2/11/2012 and 2/13/2012?

A. temperatures wouldn't change B. cold then colder C. warmer then cooler D. cooler then warmer

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