Rough and smooth ER is the two kinds
Answer: Petrolatum, lanolin, mineral oil and dimethicone are common emollients. Humectants, including glycerin, lecithin, and propylene glycol, draw water into the outer layer of skin.
Answer:proteins
Explanation:
Proteins are large biopolymer molecules that are made up of repeating monomer units called amino acids.
I think it is true because musicians do have to know their instrments and they have to know how to play it how to read the music or if you sing there is a lot more to it. and with athletes they have to have good strength and they have to understand whatever sport they play.
Answer:
Rudolf Virchow
Explanation:
He is the name of the scientist that proved all cells come from other cells.
