An earthquake in Earth's crust under the ocean releases sound waves. Which statement accurately describes how the sound waves spread?
A) They spread in all directions away from their source.
B) They remain trapped near the source by water pressure.
C) They travel mostly horizontally along the ocean floor.
D) They travel mostly upward toward the surface of the water.

Blank liquids and gases exert a buoyant force on objects placed in them

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.