How has the discovery and understanding of macromolecules and cells impacted medicine and society?

i tried the eyeshadow trick you told me about and it worked so good i i did a yellow going into orange colors and it was bright and you could see it on my eyes

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

a chain link fence because there so tiny even my albino donkey can't get out

c is the correct answer!