Labels: Army Regulation, Army Reserve, DD214, service, Soldier. I agree that there is a need for a reserve/guard version of a DD214. For my 27 years of Navy service, all I have is a letter transferring me to the Retired Reserve.
6 Main Types of Chemical Reactions. 1  synthesis reaction. 2  decomposition reaction. 3  single displacement reaction. 4  double displacement reaction. 5  combustion reaction. 6  acid-base reaction.
There are four types of hypersensitivity reaction, classified according to the way in which the ALLERGEN or ANTIGEN activates the reaction. The classic allergic reaction is the type I hypersensitivity reaction, with exposure to an external substance (the allergen) initiating the IMMUNE RESPONSE.