What causes a chemical bond to form between atoms? transferring or sharing electrons. spinning or stopping electrons. ejecting or absorbing electrons. destroying or creating electrons.

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?

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur