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.
22.55 Principles of Radiation Interactions. Effects of Radiation on DNA. Irradiation of cells causes: â¢ cell killing. â¢ mutagenesis. Understanding the processes between energy deposition and expression of. damage may allow for manipulation of the process to e.g., â¢ increase the damage to a tumor.