Rhonda watched a video taken by a camera that was lifted into the upper atmosphere by a weather balloon. She saw the balloon pop when it reached a certain height. Afterward, Rhonda wondered what effect the the air pressure at high altitudes has on the volume of gas in balloons. What scientific practice is Rhonda preforming?
1. Asking a question
2. Proving explanations
3.communicating results
4.preforming an investigation ​