What happened inside the balloon the caused the balloon to expand? plz

The frozen ballon shrank because the average kinetic energy of the gas molecules in a balloon decreases when the temperature decreases. This makes molecules move slower and have less collisions within the inside of the ballon.

the molecules divided wich caused them to expand inside or they were pact inside wich caused them to push the surface out!

Explanation:

answer; the basal forebrain;

the first settlements began along the huang river because of the importance of the huang river in the beginning of china. it goes back to the story, “the tale of emperor yu”, which references the tale of the great flood, which was caused by the huang river and was believed to create and influence china’s making.