Carbon dioxide is abundant near the surface due to the photosynthesis activities of plants.c Indicate whether the statement is true or false
ANS: F
Oxygen is abundant near the surface due to marine photosynthesis. The levels of oxygen decrease
further down in the water column because of respiration of marine animals and bacteria. Information
can be found in the section Gases Dissolve in Seawater.
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Fill in the blank(s) with correct word