Stratified squamous epithelium can be made waterproof and friction resistant by intracellular deposits of

Intracellular deposits of keratin make the stratified squamous epithelium waterproof and friction resistant.

The outer of the skin consists of dead cells called keratinocytes. They contain no nucleus or cytoplasm, but they are rich in keratin.

Keratin is the protein that make the hair, skin, and nails resistant to water and friction.

to make a supersaturated solution, make a saturated solution of sugar by adding 360 grams of sugar to 100 ml of water at 80 degrees celsius. when the water cools back down to 25 degrees, that 360 grams of sugar will still be dissolved even though the water should only dissolve 210 grams of sugar.

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it