Consider the positive feedback that regulates mammalian childbirth. in this process, the pituitary gland is oxytocin is and a uterine contraction is

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

protistas excret ethanol used in the manufacture of vinegar