I need help with this question

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?

The law of states that traits are passed from parents to offspring independently of one another.. true or false

The climate on the leeward side of a mountain differs from that on the windward side mostly in