What two factors most affect the pitch of the sounds made by a person's vocal cords? A. the volume and health of the person's lungs B. the speed and volume of air pushed past the cords C. the temperature and humidity of the air outside D. the length and tension of the cord membranes

The pitch of the sound a person makes is determined by several factors, including the size and tension of his or her vocal cords.

Explanation:

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.