The 289 area code was created as an area code overlay for the Mississauga (Streetsville) area. Unlike the previous solutions, this process did not require the place to be geographically separated by different area codes.
Ionizing radiation is a term used for radiation whose quanta have energy to directly or indirectly ionize (one or more electrons are released from the atom of the given substance) molecules or atoms while passing through matter, hence the name ionizing radiation.
A Honor Society of Nursing (STTI) answered. Radiation fibrosis is a scarring of the lungs, breasts, or other tissue or organs, resulting from overexposure to radiation. It is most often related to radiation therapy during cancer treatment. Prolonged exposure to radiation causes the healthy tissue to inflame and eventually scar. Radiation fibrosis is generally considered irreversible, but new treatments are being developed.