The Purpose Of Stretching Is : A. To increase your flexibility
B. To increase your range of motion during workout
C. To increase blood flow to the muscles
D. All of the above

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.

When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.

Which sections of the heating curve illustrate this process?