D. Physical properties. The arrangement of atoms determines the electronegativity, the valence, the melting and boiling point and many other factors.
<span>Friction is the resistance when one surface or object encounters another. </span>
<span>The answer is letter D.
<span>Fat-soluble vitamins are essential organic substances that are needed by the body in small amounts to be used for normal functions, growth, and maintenance of body tissues. They are not readily excreted and used in the body and are stored in fat cells that can only be tapped when the first source of energy is depleted. These fat-soluble vitamins can be found in plant and animal sources that supply vitamins in the diet and should not be totally eliminated when engaged in weight loss activities.</span></span>
Do performance testing prior to setting up your routine, stretch before and after each workout, get the proper amount of rest and nutrition, and modify your workout as needed.