Why should you be cautious when using flares in an emergency, especially near flammable liquids?

• Flares are not effective warning signals.
• Flares may attract wildlife.
• Flares may cause fires, especially when used near flammable liquids.
  Explanation:

  "

  You must be extremely cautious when using flares in an emergency, especially near flammable liquids as they may cause fires.

  "
• Flares are too expensive to use.