The arctic region has low annual productivity because ________.

A. the water is cold
B. the oxygen level of the surface waters is low
C. the nutrient supply is low
D. ice covers the water in winter
E. the intensity of solar radiation is low


Answer: E

Environmental & Atmospheric Sciences

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Mediterranean climates are generally found on the west coasts of continents

Indicate whether the statement is true or false.

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What percentage of U.S. solid waste is classified as Industrial Waste?

A. 11% B. 26% C. 83% D. 98.5%

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What type of volcanic eruption is probably shown in this photograph?



A) Fire fountain
B) Basaltic lava flow
C) Felsic lava flow
D) Caldera eruption

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In 1802, the French naturalist ____________________ proposed the first system for classifying clouds

Fill in the blank with correct word.

Environmental & Atmospheric Sciences