Answer:
ON YOUR KNEES OR ON CROSS-LEGGED
Explanation:
Because good posture<span> means your bones are properly aligned and your muscles, joints and ligaments can work as nature intended. It means your vital organs are in the right position and can function at peak efficiency. </span>Good posture<span> helps contribute to the normal functioning of the nervous system.</span>
The answer is d short of the non volley line in the opponents court