Based on details from “The Telephone: A Truer Tale,” how did Antonio Meucci and Alexander Graham Bell differ? Halp me will mark brainlisst

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

Einar sees alexandra every day across the room in his history class but has never talked with her. einar likes the way alexandra looks, including the way she dresses and how she wears her hair. he's even more attracted to her apparent intelligence and the way she handles herself in class discussions and during interactions with the instructor. he'd like to know more about her, so he asks one of his friends about her. einar, using a passive strategy to gain information about her, is probably in the preinteraction awareness stage of any relationship that might develop between them. t/f