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QUESTION 8 Increases in atmospheric carbon dioxide can influence ocean chemistry by (A) decreasing carbonic acid and decreasing pH. (B) decreasing carbonic acid and increasing pH. (C) increasing carbonic acid and decreasing pH. (D) 1increasing carbonic acid and increasing pH.
QUESTION 11 Increasing levels of atmospheric CO will result in increased concentrations of which two ion species in surface ocean waters? (A) calcium and carbonate (B) hydrogen and carbonate (C) calcium and bicarbonate (D) hydrogen and bicarbonate
QUESTION 7 (4 marks) Explain what affects the abundance of different forms of calcium carbonate in deep sea floor sediments.
QUESTION 33 (3 marks) The figure below outlines effects of an increase in atmospheric CO and temperature over time in the world’s oceans. Atmospheric CO and temperature rise Referring to the figure explain how the change in pCO affects the primary productivity of marine biota.
QUESTION 8 (2 marks) a) Describe a significant anthropogenic source of carbon dioxide in the atmosphere. [1 mark] b) Describe one effect that an increase in carbon dioxide has on ocean chemistry. [1 mark]
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