What season is it in New York in the model below? A autumn
B winter
sunlight
C summer

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 jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?

3differences between bacteria and other 2 cells