1. Why are pre-entry considerations critical to firefighter safety and effectiveness? In your answer describe what you think may be two of the greatest challenges you will experience before entering a burning structure. You can include your own personal experiences if you have already been in this situation. 2. Briefly explain the science behind fire suppression. (Be thorough in your response.) 3. Briefly describe/explain the four methods of fire attack and provide an example on when to use each one