Minerals may break across planes due to their atomic arrangements. what is the term used for this type of break

Which of the following statements is true of enzymes? a)they dont provide an active site for substrates to bind in a reaction b)they act on a specific type of substrate in a reaction c)they unusable after a reaction d)they change shape after a reaction

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

Match each term to its best definition? sedimentary depositional enviornment