Consider the chemical reaction for photosynthesis as a redox reaction. Which of the following is reduced/oxidized?
a. Carbon dioxide is reduced to glucose and water is oxidized to oxygen.
b. Carbon dioxide is oxidized to glucose and water is reduced to oxygen.
c. Carbon dioxide is reduced to oxygen and water is oxidized to glucose.
d. Carbon dioxide is oxidized to oxygen and water is reduced to glucose.
Answer: a. Carbon dioxide is reduced to glucose and water is oxidized to oxygen.
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