Final answer:
Speaking while facing someone improves their ability to hear you.
Step-by-step explanation:
The subject of this question falls under the topic of Health in a High School setting.
When you speak while facing someone, the sound waves from your voice travel directly towards their ears, which improves their ability to hear you. This is because the sound is not obstructed or deflected by other objects in the room. Additionally, facing someone allows for better communication through facial expressions and lip movements, which can aid in understanding.