Answer:
4cm because the wavelength is the measure of a distance between two identical peaks or Crest
Water reacting with nitrogen gas i think, since it doesn’t actually react
Answer:
B. Oxygen molecules recombine to allow cells to get larger
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
Hope this helped!
Good luck :p
~Emmy <3
