Aknife or a broken glass slices through the layers of the skin causing heavy bleeding. which type of bleeding injury is it? abrasion laceration puncture

The answer is laceration. I hope this helps! :)

Laceration. 
An abrasion is a surface wound, meaning it affects the skin.
A puncture is a wound created by direct impact with a pointed object.
A laceration is a wound in which the flesh is torn, cut, or shredded.

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The answers is b hope this you