True or False: The northern & southern lights are caused by solar wind particles interacting with gases in our atmosphere.

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

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.