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Answer:
1.WARM DAY
•refraction
•loudness
2.Sound travels more quickly through solids than through liquids and gases because the molecules of a solid are closer together and, therefore, can transmit the vibrations (energy) faster.
3.A reverberation can occur when a sound wave is reflected off a nearby surface. An echo is usually clear and can be easily distinguished because of the distance and time the sound wave travels.
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