PSY 270 UOP Courses / uoptutorial -Psy 270 week 1 checkpoint research methods appendix b psy 270 week 1 dq 1 and dq 2 psy 270 week 2 checkpoint models of abnormality appendix c psy 270 week 2 assignment clinical assessment psy 270 week 3 checkpoint
A contemporary use of nerve gas occurred during the Iran-Iraq war of 1984 â 1988. In this conflict, the United Nations confirmed that Iraq used tabun and other nerve gases against Iran.
Hydrogen cyanide, a poisonous gas that interferes with cellular respiration, was first used as a pesticide in California in the 1880s. Research at Degesch of Germany led to the development of Zyklon (later known as Zyklon A), a pesticide which released hydrogen cyanide upon exposure to water and heat.