What planktonic group accounts for 80% of all photosynthesis in the tropics?
A) Picoplankton
B) Nanoplankton
C) Microplankton
D) Mesoplankton
A
Environmental & Atmospheric Sciences
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Approximately how many days will you view the noon Sun above your northern horizon?
Use the analemma. What will be an ideal response?
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The most powerful agent of erosion is
A. wind. B. glaciers. C. running water. D. waves.
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Land and landscape are considered natural resources.
Answer the following statement true (T) or false (F)
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High temperatures increase the rate of chemical weathering.
Answer the following statement true (T) or false (F)
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