Select all the depositional features listed below.

a. river

b. delta

c. valley

d. aquifer

Which changes of state do the labels represent? a: b: c:

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy