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.
Five Main Branches of Chemistry. The field of chemistry is basically categorized into five main branches with the other types of chemistry typically falling into one of these branches. Here is a list of those five main categories with an explanation of what each one studies and other types of chemistry that fall into each branch. Organic chemistry is basically the study of life. It involves the study of compounds that contain carbon, which is one of the basic structures of life. It also studies the composition of structures in life forms to gain a better understanding of what creates life and how it continues to form and develop.