A mixture of gases is heated and rises to the top of its container. Which statement best explains this result?
a
Heated gases will have increased kinetic energy and increased density.
b
Heated gases will have decreased kinetic energy and increased density.
c
Heated gases will have decreased kinetic energy and decreased density.
d
Heated gases will have increased kinetic energy and decreased density.
d
Heated gases will have increased kinetic energy and decreased density.