The answer to this is B. <<<<
Ultra Violet rays or UV's cause the skin to burn in the sun.
<u><em>Answer:</em></u>
<u><em>An effective strategy may include: Choose aerobic activities such as walking. Exercise for at least 30 minutes on all or most days of the week. Cut back on junk food. Eat smaller food portions. Increase the amount of fresh fruits and vegetables, lean meats, low-fat dairy products and wholegrain foods in your daily diet .</em></u>
<u><em>Explanation:</em></u>
The items that can contribute to heart disease is C. Nitrogen oxides and carbon monoxide. These are the chemicals that contribute to pollution. Carbon monoxide is the product from a combustion that can affect our respiratory system whenever we inhale this gaseous chemical. And nitrogen oxides can affect and penetrate areas of the body when inhaled in which our respiratory organs may be affected by diseases because of this chemical.
