Tom’s company has been contracted to excavate uranium ore with minimal ground disruption. what process should his company use?

Which is not true about oxygen-17 and oxygen-18?

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.

What was the purpose of the apollo program? to put a man in orbit to launch a spy satellite to launch a space station to put man on the moon