Who first proposed that each layer of rock represented a specific interval of geologic time?

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

Most short-period comets do not have randomly oriented orbits because

The strong nuclear force acts over a small distance than the electrostatic force. true or false