2、 kinds of pollution do you know?Whatcausedthepollution?Discussionloudmusiccardsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephone1aReadthesewordsandputthemintotherelatedpollution.Noisepollution:loudmusic,planes,buildinghouses,mobilephonesAirpollution:cars,factories