Fresh+Water+Block+3

Fresh waterThey have low salt concentration-less than 190% this includes ponds& lakes,streams&rivers,wetlands.Thiskind of water is ok for humans to drink .In summer the teampeture of water gets warmer about 19-25c the middel layer is cooler about 8-19c the bottom is about 4-8c because it gets less sun then the other layers.In fresh water alot of differnt plants grow but the two i know about is Algae:Most diverse algae ,more than 7000 specis in a variaty of habitats a Glumiflorae:Grasses sedges ,rushes and cattails they are flowering plants making tiny flowers without showy petals .They make corn rice ,wheat & barley highest grossing crops, as well as sugar cane they maintaining soil to providing turf. ,