Speed = wavelength * frequency
Speed = 250 * 6
The speed is 1,500 m/s
Answer: A. Accumulate keratohyalin granules. B. Cells increase in size, some retain ability to divide. C. Cell membrane thickens. Cells imbedded in lipid matrix. D. Cells within this layer proliferate.
Explanation:
It is true because scientists often do that
