A. Air expands, becomes less dense and rises when the temperature is high due to the increased kinetic energy. This causes the air molecules to move around much more so they are further apart.
Answer:
changing shape under heat and pressuremelting completely, then cooling
Explanation:
Answer:

Explanation:
Oxygen has eight eletrons and six valence electrons, giving it the electron configuration of
.
No. The only thing that changed was the looks of the gasoline, not the chemical components.