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.
1. The present 111th U.S. Congress has a lone Senator in the person of Rep. Roland Burris of Illinois. This is based on a statistical profile released by the Congressional Research Service in February 2010. To date, there have only been 6 black senators in the U.S. Senate. The first was in Senator Hiram Rhodes Revels of Mississippi who was voted in 1870. Share this: