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Biology, 15.07.2019 05:00 yafavvlala
Lucy is studying at the desk in the corner of her room. her brother is watching television in the living room. lucy's room is separated from the living room by a wall with an open doorway at one end. the television set is near the middle of the wall. lucy concludes that sound can pass through the wall because it is not soundproof. which statement gives a plausible alternative to lucy's explanation
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