Read the following sentences about photosynthesis. (i) Sunlight, carbon dioxide, chlorophyll and water are necessary. (ii) Oxygen is absorbed. (iii) Leaves carry out photosynthesis. (iv) Proteins are made during photosynthesis. Choose the correct pair of sentences that are true to photosynthesis. (a) (iii) and (iv) (b) (i) and (iii) (c) (ii) and (iv) (i) and (iv)