Which human activity negatively affects the stabillity of the environment

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?

Which units ate used to measure both velocity and speed? check all that apply

Your client has just been prescribed oral iron. why would you advise this client to avoid taking their medication with coffee, tea, eggs, or milk?