Which statement correctly describes how sound energy is transferred when a whale makes a sound underwater? a. water particles are not squeezed together or pulled farther apart. b. water particles are squeezed together but not pulled farther part. c. water particles are squeezed together and pulled farther apart. d. water particles are pulled farther apart but not squeezed together.

Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.