Like notaries, witnesses aren't generally required in order for a contract to be legally enforceable. However, each state may require special kinds of contracts (e.g., real estate deals, wills, and marriage agreements) to be witnessed by a third party in order to be binding.
McDonald's, apparently, use red and yellow because red=fast and yellow=hunger (hence fast food!). Remember also that meaning is what we create. It does not exist in the color itself and individual meanings may or may not exist in different cultures and individuals.
Which of the following is true regarding the acid-fast stain. a) It is used to identify members of the genus Mycobacterium. b) acid-fast cell retain the primary dye after treatment with acid-alcohol. c) acid fast cell appear red in a completed acid fast stain. d) non-acid-fast microbes appear blue in a completed acid-fast stain.