During exercise, stored chemical energy is converted to energy that can be used for muscle movement.
C, because vegetables, dairy, juice, and fruit do not have whole grain. Grain is rice, wheat,etc.
B is the best answer since public health policies reduce probabilities of diseases. It is not an obligation to provide vaccination since these are costly but these will be made readily available as much as needed and can be provided.
<span>Polycythemia vera is the answer </span>
