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.
Chemist Defined. A chemist is a scientist who uses research, experiments and analysis to improve manufactured products and create new goods. Chemistry has allowed us to create items like cosmetics and drugs. Medicine, food processing, oil refining and agriculture are just a few of the fields that require chemists.