Hottest Cities in United States. Two major cities contend for the title of hottest city in the United States. The city that comes out on top depends on how you measure heat. Phoenix Arizona excels at extreme hot weather. It consistently ranks number one for the most days a year when temperatures rise above 89 Â°F or 99 Â°F. Miami challenges Phoenix for top spot on hottest year-round temperatures.
would a chemist most likely study: a leaf changing color in the fall. OR. a leaf floating on water. Follow.
The study of chemistry is an integral part of many college majors because of the important role of chemistry in daily living. School programs vary regarding the number of chemistry courses required for a particular major. The college academic adviser will help students determine the courses necessary for graduation.