a knowledge of chemistry gives us a handle on many of the questions and issues we face as a socle Is genetically modified food safe? Should fluoride be added to local water supply? Why is it important to recycle? What should be our primary energy resources in the future?A knowledge of chemistry gives us a handle on many of the questions and issues we face as a society. Is genetically modified food safe? Should fluoride be added to local water supply? Why is it important to recycle? What should be our primary energy resources in the future?