400
Firefighter 2: The tanks give us air. If we were caught in a smoky room, we would need them. Without those tanks, we would not be able to breathe. Long ao, firefighters didn't have the safety gear we have today. Why do firefighters need the air tanks? a) the tanks help them breathe b) the tanks protect their faces c) long ago, firefighter didn't have them d) safety gear is cool
What is a) the tanks help them breathe