Acceleration (change in speed or velocity) is an unbalanced force?

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

Why do bacteria thrive even in hostile environments

Discuss the functions of epithelial connective nerviud and muscular tissues