Crack them: Live nits will pop if cracked between the nails, whereas dead ones won't and can be picked.
Answered 11/5/2016
6.1k views
Nits dead or alive: According to the centers for disease control, if the nit has traveled a quarter inch down the length of the hair strand, it probably has either hatched or died.
Answered 6/24/2019
5.5k views
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