Elizabeth has two separate samples of the same substance. One sample is in the liquid state, and the other is in the solid state. The two samples most likely differ in which property? A. the chemical bonds between atoms within the substances
B. the types of atoms that are found within the substances
C. the motion of the atoms within the substances
D. the size of the atoms within the substances

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?

Which situation will produce the greatest change of momentum