Answers

2014-11-09T10:07:17+05:30
We cannot hear the sound on moon because there is no space(air). There is only vacuum. Sound cannot travel through vacuum.

Some animals know that what happens in nature before only.They do different sound to alert us and behave differently. Ex: elephants shout, birds chirp etc
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2014-11-09T10:14:34+05:30
We can't hear sound's on moon as the atmospheric pressure is poor than our earth.
birds have a strong sense of feeling waves so they act weird before earthquake

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