Which of the following best describes the gas trapped in a sealed balloon?
a) the particles move slowly.
b) the particles do not often collide with one another.
c) the movement of the gas particles keeps the balloon inflated.
d) the particles form a large percentage of the balloon's total volume.

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

J. j. thomson’s experiment disproved the theory that an atom

Heterogeneous mixture with larger particles that never settle is