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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What type of volcanic eruption is probably shown in this photograph?
A) Fire fountain
B) Basaltic lava flow
C) Felsic lava flow
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Fill in the blank with correct word.
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