The major difference between oxygen and ozone is:

1.the number of atoms in a molecule
2.the kind of atoms they are made of
3.the color of the gas
4..one is a gas and the other is a liquid

answer; ///i believe its: ///(embolus);

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.