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.
Overview. Nitrous oxide (N 2 O), commonly known as laughing gas or happy gas, was first discovered in 1793 by the English scientist Joseph Priestly and has been used for more than 150 years. It has remained one of the most widely used anesthetics in both dental and medical applications.