A whale has a calf and a bacteria replicates through cloning. Both of these are examples of .

If you rub a balloon on a piece of fabric or carpeting and then hold it against your head, your hair can stand on end. use what you have learned in this lesson to explain why this happens.

In exchange for land, a knight agrees to be a sort of sub-vassal to a vassal. this agreement was known as: investiture homage tyranny subinfeudation

At what age must a person begin receiving their roth 401(k) payments?