What is this?
Water pollution
What is this?
Air pollution
Firefighters ________ recieve salary
should
What is this?
to reforest
Volunteers _________ help other people
can
teachers and doctors _________ fight wildfires
can't
People ________ take care of the planet
have to / should
People ________ throw trash into water
shouldn't / don't have to
What is this?
wildfire
