精选优质文档-倾情为你奉上Adults and children are frequently confronted with statements about the alarming rate of loss of tropical rainforests. For example, one graphic illustration to which children might readily relate is the estimate that rainforests are being destroyed at a rate equivalent to one thousand football fields every forty minutes about the duration of a normal classroom period. In the face of the frequent and often vivid media coverage, it is likely that children will have formed idea
