oxygen [o]

by emily roberts


oxygen is a gas an air all around you if you breath to much air you can die.If you fill a room with water and alot of air or oxygen it will explode or combust that is what we need and use every day and is a great use for may living thing's. we need trees why ask because trrees produce oxyegen and we need oxyegen and the earth is slowly dieng because the trees are being cut down. and that is what i know about OXYGEN.