Answer the following question: You are presented with the quiz "How can bulbs in a pot be protected from cold damage?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "agreenhouse is used to protect plants from the cold" and "bulbs planted in pots are particularly susceptible to cold damage". So, what's the best answer to the question?

Choose your answer from: (1). eliminate coal burning. (2). use a lower wattage bulb. (3). Exfoliation. (4). layers of fat. (5). reduce the freezer settings. (6). it keeps an organism warm. (7). hard outer covering. (8). place in a greenhouse.
Answer:
(8).