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.
Radiation effects are divided into somatic effects and genetic effects. The former affects the function of cells and organs, whereas the latter affects the future generations.omatic Effects. Radiation affects rates of cell division. Hastening and slowing down cell division affect embryonic tissues. Damages to cell membranes, mitochondria and cell nuclei result in abnormal cell functions, affecting their division, growth and death.