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.

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

i'm assuming that it's c.) red bank..