1.

OSve reasons for1 Astronauts onU Tiersons for the following statementsats on moon use sign language to communicatemale voice is shriller in general than a male voice.distance of a wall from a source of sound so that an echo is produced is 17 mhas maximum speed in solids and least speed in gases2. The female voice3. The minimum distaSound has maximum

Answer»

1- because there is no air on the moon. 2- because women sound has more frequency than men.

1-because there is no air on the moon. 2-because woman sound has more frequency than men



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