Answer:
Hair is made of a tough protein called keratin. A hair follicle anchors each hair into the skin. The hair bulb forms the base of the hair follicle. ... Blood vessels nourish the cells in the hair bulb, and deliver hormones that modify hair growth and structure at different times of life, if that answers your question.
Explanation:
The answer is steep mountains due to it being rocks wind and rain can erode it more
The natural spreading of particles through a liquid or gas is called diffusion
It is A: a chemical reaction, due to the acid activity (acetic acid)
Answer:
Explanation:
DNA are molecules that store genetic information in all organisms.
RNA are molecules that will form proteins based on the instructions coming from DNA.