Echolocation Question 25 options: A) is one of the few skills obtainable by people who are blind but not those who are sighted. B) demonstrates that blindness results in an inherent, automatic ability to use the sense of hearing better than the sighted can. C) demonstrates that humans are able to hear much higher frequencies with practice. D) can be accomplished by clicking one's tongue.

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