Firefighter's job is to put out fires and to rescue people.
Because water is better to use to put out fires than sand.
to put out fires that has been started.protect and rescue citizens from burning buildings,etc. .
50,000
This varies on the size, rate spreading at, and Even manpower.
Firefighters need fire retardant clothing when they fight fires.
Firefighters are able to stop a muck fire when the rain comes. The rain seeps into the ground to put out the fire. Or the fire runs into a lake.
To fight fires
firefighters use water because when water touches something it cools down
Firetrucks and fire hoses and classified as weather elements because firetrucks have useful things for firefighters to fight the fires and fire hoses can be used to put out fires.
Because firefighters can only cover so much of the area and the aircraft can basically cover the entire area
Wildland firefighters fight fires in grasslands and mountains. Structural firefighters fight house, and building fires. Both have their own dangers. EDIT - Just another one to throw in is an aviation fire fighter, a highly specialized branch trained specifically to fight fires in aircraft.