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.
There are 30 legislative districts in Arizona, each of which is a multi-member constituency. Each district elects a state senator and two state representatives for a two-year term. The crossing of upper and lower house districts into a single constituency is found in only seven U.S. state legislatures: Arizona, Idaho, Maryland, New Jersey, North Dakota, South Dakota, and Washington.