http://digfir-published.macmillanusa.com/hm_custom_osu/potter_50324_ch2_f13.html\tChapter 2. \t5213a219757a2e2b4e000016 http://digfir-published.macmillanusa.com/hm_custom_osu/potter_50324_ch2_f13_dlap.xml\tDLAP questions\t5213a219757a2e2b4e000016