Quiz

Quiz: Carbon dioxide in seawater

iGCSE Marine Science [Cambridge International]

11 Steps9 Questions

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Building on what you've learned about seawater composition and dissolved gases, let's test your understanding of carbon dioxide in the ocean!

Multiple ChoiceInteractive

What happens to carbon dioxide when it dissolves in seawater?

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Which of these are effects of dissolved carbon dioxide in seawater? (Select all that apply)

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Carbon dioxide dissolves in seawater and forms {{blank0}} acid, which then breaks down into {{blank1}} and hydrogen ions.

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Match the items on the left with their correct pairs on the right

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If seawater has a pH of 8.2 and absorbs CO₂, causing its pH to decrease by 0.3, what is the new pH?

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Multiple ChoiceInteractive

Why does carbon dioxide dissolve more easily in colder seawater?

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typedAnswer

Match the items on the left with their correct pairs on the right

Multiple ChoiceInteractive

What percentage of atmospheric carbon dioxide is absorbed by the oceans?

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Multi-SelectInteractive

What are the consequences of ocean acidification for marine organisms? (Select all that apply)

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Carbon dioxide in seawater contributes to the formation of {{blank0}}, which can affect the ability of organisms to build {{blank1}}.

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