Why do we have limited knowledge of Pre-Columbian art in the Americas?.

"im only a crack in this castle of glass" what band says this in one of there songs its a project for school dont report. im doing a project on music and bands.

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

Based on the sentence, what does a studious effort require