Humans can accurately recognize a smile from a greater distance than they can other facial expressions of emotion. One explanation for this finding is that being able to predict, accurately and quickly, that an approaching person has good intentions contributed to the development of cooperation among humans and the development of society. On which perspective in psychology is this explanation based

i feel as if they would both catch on before to long because they would see them to frequent

what he said above me         look up that's the answer

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the declaration states, “we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness….”