sagot na kay claire
Answer:
1 The girl speaks and her vocal cords vibrate.2 The air vibrates in the girl's paper cup.3 The string vibrates.4 The air vibrates in the boy's paper cup.5 The vibrations reach the boy's ear and heard.
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sagot na kay claire
Answer:
1 The girl speaks and her vocal cords vibrate.
2 The air vibrates in the girl's paper cup.
3 The string vibrates.
4 The air vibrates in the boy's paper cup.
5 The vibrations reach the boy's ear and heard.