Smog, or âground-level ozone,â as it is more wonkily called, occurs when emissions from combusting fossil fuels react with sunlight. Soot, or âparticulate matter,â is made up of tiny particles of chemicals, soil, smoke, dust, or allergens, in the form of gas or solids, that are carried in the air.
Arizona is a U.S. state with two senators in the United States Senate and nine representatives in the United States House of Representatives. Scroll down for a map of the districts.
Arizona is a state located in the Western United States. There are 91 incorporated cities and towns in the U.S. state of Arizona as of 2010. Incorporated places in Arizona are those that have been granted home rule, possessing a local government in the form of a city or town council.