English, asked by cristinacatayna, 6 months ago

Explain on your own observation why echo sounder needed in our routine activities on board ship?

Answers

Answered by avichhaya5
1

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Explanation:

The basic tool in fisheries acoustics is the scientific echosounder. This instrument sends out sounds down into the water column and receives echoes from objects in the water. Echoes, reflected from the fish school and the seabed, are displayed on the echogram.

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