Available choices: [+] solubility; [+] eccentricity; [+] unpredictability; [+] flammability;

Answer the following question given this paragraph: Flammability is the ability of matter to burn. Wood is flammable; iron is not. When wood burns, it changes to ashes, carbon dioxide, water vapor, and other gases. After burning, it is no longer wood. Q: The ability of matter to burn is called? A:
Answer:
flammability