A successful marriage is based on: a. firm commitment that does not shift over time.
b. a desire to change the other spouse.
c. mostly on physical attraction.
d. a person marrying so he/she will feel loved.

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

What was the first instrument to ever record an earthquake?

The movement of electrons between atoms is called an