[Joshua Mills]

Question 30 (7 marks)

Over the last 50 years, scientists have recorded increases in the following:
• the amount of fossil fuels burnt
• atmospheric carbon dioxide levels
• average global air temperature and ocean temperature
• the volume of carbon dioxide dissolved in the oceans.
Analyse the factors that affect the equilibrium between carbon dioxide in the air
and carbon dioxide in the oceans. In your answer, make reference to the scientists’
observations and include relevant equations.

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