Eyebrow hairs are always shorter than hairs on your head because________.
A) they grow much slower
B) hormones in the eyebrow follicle switch the growth off after it has reached a predetermined length
C) the vascular supply of the eyebrow follicle is one-tenth that of the head hair follicle
D) eyebrow follicles are only active for a few months

Question

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The Answer of Eyebrow hairs are always shorter than hairs on your head because________.
A) they grow much slower
B) hormones in the eyebrow follicle switch the growth off after it has reached a predetermined length
C) the vascular supply of the eyebrow follicle is one-tenth that of the head hair follicle
D) eyebrow follicles are only active for a few months

Eyebrow Hairs Are Always Shorter Than Hairs on Your Head