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.
A biologist would most likely study all the chemical activities of an organism to obtain information about the organisms metabolism. The organism gets energy from food thr â¦ ough metabolism because the body's cells convert food into the energy needed to do everything from moving to thinking to growing.