Warm air rises at the equator and cold air sinks at the poles creating a) tornadoes. b) hurricanes. c) convection currents. d) the coriolis effect.

The molecular mass of a gas is (select all that apply) a. independent of the type of gas b. the same number as the atomic (or molecular) mass, but measured in grams c. dependent on the temperature d. the mass of a mole of the gas

If you held a stone over the mouth of a well and then let it go , what would happen to the stone? explain your answer.

Which equation is mostly likely used to determine the acceleration from a velocity vs time graph