Which of the following statements is is false? A. Turning off the heat will cause a hot air balloon to sink.

B. Hot air balloon rise because hot air has less mass than cold air.

C. Hot air balloons rise because hot air is less dense than cold air.

If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.

Why is retrograde motion an apparent motion

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.