The Ocean Ecosystems Affect the Biosphere by ________

question 1

Multiple Choice

The ocean ecosystems affect the biosphere by ________.
I.producing a substantial amount of the biosphere's oxygen
II. adding carbon dioxide to the atmosphere
III.being the source of most of Earth's rainfall
IV.regulating the pH of freshwater biomes and terrestrial groundwater

• A) only I and III
• B) only II and IV
• C) only I, II, and IV
• D) only I, II, and III

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Required Rates of Return

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