Question
Fill in the blanks: $A, B,$ and $C$.

Answer

A-Food molecules: Photosynthesis produces food molecules i.e. glucose.
B¾ Photosynthesis: $\mathrm{CO}_2$ is used in photosynthesis.
C¾ Respiration: Respiration releases $\mathrm{CO}_2$ so $C$ is respiration.

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