MMcfd - Million cubic feet per day (used with natural gas) MMS - Minerals Management Service, division of US Department of the Interior; MMT - Million metric tons; MOU - Memorandum of Understanding; MPE - maximum probable earthquake; MRC - Maximum Reservoir Contact; MS - Mail Station; MV - megavolt ; MVA - megavolt-amperes ; MVAR - megavolt-ampere reactive
Anxiety and Charles Bonnet syndrome. Within Spielberger's anxiety model, trait anxiety is described as a stable personality trait, whereas, state anxiety is a transient experience caused by a specific perceived threat.
Adaptive anxiety may be considered a useful emotion that leads to survival strategies . In this sense, anxiety is a normal emotion that occurs when an individual copes with a potentially dangerous situation, constituting a mechanism for alertness or alarm .