A possible explanation of a scientific question based on observation
Air must pass from the back to the front of the pharynx to enter the trachea and food must pass from the front to the back of the esophagus
Wave–particle duality<span> is the </span>concept<span> that every elementary </span>particle<span> or quantic entity may be partly described in terms not only of </span>particles, but also ofwaves. It expresses the inability of the classical concepts<span> "</span>particle" or "wave<span>" to fully </span>describe<span> the behavior of quantum-scale objects.</span>
Answer:
light reaction because glucose is a factor of sugar.