Answer:
B. Carbohydrates act as an energy source. Carbohydrates are broken down into starch. Starch is a type of sugar and sugar gives us ENERGY.
<span><span>Oxygen 0.65</span><span>6</span><span>1 Hydrogen 0.10</span><span>7</span></span>
A to b B to 1 because 1 you CANT control 2 you CAN