Waterpollutionhappenswhenwastethingsfrommanyareasarethr...
問題詳情:Waterpollutionhappenswhenwastethingsfrommanyareasarethrownintorivers,lakesandseas.AgricultureTogetmorefood,farmersuselargeamountsofchemicals(化學制品).Whenthechemicalsarenotcompletelyusedbythe...