please answer this
pls
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Answer:
You cheating a maths exam
Explanation:
No I don't sy this because you cheat a exam
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1
Answer:
i) vacuum
ii) solid
iii) B
Explanation:
i) sound need particles to travel but vacuum has no particulars so it cannot travel hence speed = 0
ii) as mentioned sounds need particles to travel solid had more particles close to each other so sound travel fast in it
iii) B has lowest speed which match as particles of airs , as air has had its particles more spread then any medium
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