I.Complete the second sentence so that it has simmilar meaning to the first sentence 1.Visual pollution happens when there are too many telephone poles ,adevrtising billboards or shop signs. Too many......................................................................................... 2.Unless we talk action immediately,the air will become completely polluted If we.......................................................................................................... 3.Herbicides kill both weeds and aquatic plants . Both weeds and aquatic plants die ................................................................... 4.The environment is now in denger because many people do not respect it. If many people................................................................................... 5.The water is contaminaed,so people get more diseases. Since............................................................................................... 6.My uncle suffered from lung cancer because he breathed in unclean air Because of .......................................................................................................... 7.Unless people stop throwing rusbbish in the street ,the street won't look attractive The street will look...........................................................................