查找英语作文:介绍jenny的家庭.爸爸叫david smith,妈妈叫heien green,

A further example of the value of the study of history beyond its effect on daily life is the treatment of the environment and the earth as a whole.Looking back to the past to see the various effects of various human behaviors on the environment can show valuable lessons on what can happen if proper precautions are not taken.The nuclear accidents at Three Mile Island and Chernobyl have been studied to ensure that they do not happen again.Certainly the study of the effects of nuclear materials on humans and the environment provides value beyond that of the day-to-day life of people