Given that the air pressure outside your body is so great, why aren’t you crushed? a. human skin is extremely strong. b. earth’s gravity cancels out the air pressure. c. pressure inside your body balances the air pressure outside your body. d. inertia changes the pressure before it comes into contact with you.

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

answer: option c.

explanation: