Answer: Sue and Bob decided to separate their vegetable and flower gardens
There are two different seperates here. One is an adjective, the other is a verb.
In the answer above, separate is a verb. It is an action. Sue and Bob are separating their gardens. A synonym for this separate is “to split up”.
In the other, incorrect answers, separate is used as an adjective. It is describing. A synonym for this separate is “apart.”
Answer: c
Explanation: cause im smart (: if not then I suck