B, C, D, B
I hope these are right, hope this helped.
A light microscope, I don't think it would be an electron microscope because we're talking about PRESERVED plant cells.
Collagen is the structural protein found in skin and connective tissue. This protein is the most abundant protein, that makes up one-third of the protein in the human body. The function of this protein in the skin is to give the skin strength and elasticity, and to replace dead skin cells. In connective tissues it s<span>upports structures and anchor cells to each other.</span>
Having white fur in the winter to blend in with the snow
