Why does a leech die, if you put some sa...

Why does a leech die, if you put some salt on it?

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(i) The skin ofleeches is permeable.
(ii) If salt is added, it creates an osmotic pressure.
(iii) Water is pulled out from the body ofleeches.
(iv) It can lead to dehydration. Thus leeches immediately fall off when salt is applied.

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Why does a leech die, if you put some salt on it?

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