How virus shows both living and nonliving characteristic???​

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?

What is the process of pulling apart an n2 molecule nevermind i got it

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture