Answer the following question: Fact 1: Heating a liquid can be used to identify that liquid 's boiling point. Fact 2: Because at the boiling point of water, there are molecules that are a gas and that are a liquid. Given the two facts above, what does boiling change a liquid into?

OPT: 1. oil. 2. heat. 3. SO2. 4. salt. 5. ice. 6. solid. 7. water. 8. gas.
Answer:
8.