Suggested Answer for Q2 and Q3 on P34(textbook)

2a        Green Plants carry out photosynthesis.

2b             Photosynthesis balances the amount of carbon dioxide and oxygen in nature and produces food for all living things.

3a        Green Plant®cow

            The sun provides energy to green plants through photosynthesis and cows feed on green plants. Cheese is a milk product from cows.

3b        Wheat plant carries out photosynthesis to produce starch for the bread.