| http://www.w3.org/ns/prov#value | - This best illustrates the value of optimism. ??? ??? ??? The tendency of facial muscle states to trigger corresponding feelings such as fear or happiness is called the facial feedback effect. ??? ??? ??? To study social facilitation, Norman Triplett observed adolescents while they were winding fishing reels. ??? ??? ??? Food deprivation is to ________ as hunger is to ________. need; drive ??? ???
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