Then,while those firefighters digs,others start a backfire
They burn the dry grass and leaves between the wildfire and the fire line
When the wildfire comes,there is nothing for it to use as fuel
Other firefighters cut down dead trees
That way the fire can't move to other trees
Firefighters risk their lives to keep people safe
Their job takes hard work,and it takes courage
A very dark night
Very early morin
Day time but dark
Fire is natural,but it's dangerous to people living near it
Burn
Fire
Can be replaced by
Which of these statemants about the purposeof the passage is correct