how do bats use echolocation

how do bats use echolocation

Answers
http://animals.howstuffworks.com/mammals/bat2.htm
javaid.aslam
13 June 2011
The sound bats emit simply bounces of objects around them. The further away an object is the longer the sound takes to get back to the bats. For further information see this webllink
javaid.aslam
13 June 2011
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