When mary meets ted at a party, she asks him what he does for a living. this is an example of classifying people by?

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.

The pka of three different c―h bonds is given below. explain the observed trend in pka. select the single best answer.

True or false: the eastern roman empire lasted for 1,000 years longer than the western roman empire.