Answer the following question: Fact 1: Agreenhouse is used to protect plants from the cold. Fact 2: Flowers are beautiful kinds of plants. Given the two facts above, a greenhouse is used to protect flowers from what?

Choose your answer from:
(A). sunlight.
(B). fertilizer.
(C). salinity.
(D). Dehydration.
(E). cold air.
(F). the cold.
(G). Winter.
(H). irrigation.
Answer:
(F).