question: The pressure inside a container is dependent on the amount of what inside the container?
distractor3: liquids
distractor1: air
distractor2: emissions
correct_answer: gas
support: The pressure inside a container is dependent on the amount of gas inside the container. If the basketball does not bounce high enough, the official could remedy the situation by using a hand pump and adding more air to the ball. Conversely, if it bounces too high, he could let some air out of the ball.