Science, asked by Logan11111, 1 year ago

answer the fill ups

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Answered by AnchalSingh1
0
2nd one is vacuum
and 4th one is SONAR technology
Answered by sahniashwani
1

1)Thundering

2)Vacuum

3)Greater

4)SONAR

5)Convex

6)20Hz-20,000Hz

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