Which highschool grade level is being signed in the video

Science always prove or disprove their explanations by

Which function of nonverbal communication is at work? trey was planning a surprise party for lynn, but when she asked him why they couldn't go out on friday, trey shifted his eyes, coughed, and stuttered when he said he already had plans. what did trey's nonverbal communication do for lynn? clarify the relationship regulate the interaction increase persuasive power reveal discrepancies manage impressions

What is perception? a) the complete awareness of an object b) the artists point of view c) the outline of an object