Keratin is an intracellular fibrous protein that gives hair, nails, and skin their hardness, strength, and water-resistant properties. The keratinocytes in the stratum corneum are dead and regularly slough away, being replaced by cells from the deeper layers
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~Emmy <3
Answer:
A cube's surface area formula is SA = 6s^2 (s is the length of one of the sides.)
A cube's volume formula is V=a^3
The answer should be 216 for both equations.
Explanation:
Hope this helps. :)
Answer is the second option by the way :)) !