Chapter Openers Chapter Openers provide a motivating photo and application toshow students an example of the relevance of what they'll belearning in the chapter. Chapter Overviews A Chapter Overview begins each chapter to give students a senseof what they are going to learn. This overview provides a roadmapof the chapter as well as telling how the different topics in thechapter are connected under one big idea. It is always helpful forstudents to remember that mathematics isn't modular, butinterconnected, and that the different skills they are learningthroughout the course build on one another to help them understandmore complex concepts.
This is "must-have" information for all presidents-andcitizens-of the twenty-first century: Is Iran's nascent nuclearcapability a genuine threat to the West? Are biochemical weaponslikely to be developed by terrorists? Are there viable alternativesto fossil fuels that should be nurtured and supported by thegovernment? Should nuclear power be encouraged? Can global warmingbe stopped?