The concentration of carbon dioxide in surface water is low, whereas the concentration of oxygen is high because of the ________.
A. exchange of gases between the atmosphere and the ocean
B. conversion of carbon dioxide to bicarbonate
C. difference in solubility of the gases
D. respiration of plants and animals
E. photosynthesis process
Answer: E
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Which of the following is an accurate statement about polar climates?
A. They extend far to the south of the Arctic circle. B. They are characterized by strong low-pressure systems. C. They have little precipitation. D. They are a source of cT air masses.
The movement of sediment (usually sand) along the coast, driven by wave action, is referred to as ____
A) wave reflection B) foreshore current C) longshore drift D) estuarine drift
Most lakes and other surface waters can eventually recover from cultural eutrophication if excessive inputs of plant nutrients are stopped.
Answer the following statement true (T) or false (F)
Name five major limestone and karst regions of the United States
What will be an ideal response?