Respuesta :
Answer:
a. 50; 25
Explanation:
From what I know, head hair samples should consist of hairs from five various areas on the scalp including the top, back (nape), front, and both sides.
I hope this is helpful!
Answer:
a. 50; 25
Explanation:
From what I know, head hair samples should consist of hairs from five various areas on the scalp including the top, back (nape), front, and both sides.
I hope this is helpful!