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.
Chemistry is the study of matter and its interactions with other matter and energy. Here's a look at the importance of chemistry and why you should study it. Answer: Chemistry has a reputation for being a complicated and boring science, but for the most part, that reputation is undeserved. Fireworks and explosions are based on chemistry, so it's definitely not a boring science.