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 located in the Southwestern United States as one of the Four Corners states. Arizona is the sixth largest state by area, after New Mexico and before Nevada. Of the state's 113,998 square miles (295,000 km 2), approximately 15% is privately owned. The remaining area is public forest and park land, state trust land and Native American reservations.