How does a plant moist the water and other mineral taken in by its roots is trunk, branch, and leaves?

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?

Are the earth's ocean floor and continents the same age geologically? why or why not?

Do you think the gene eef1 alpha1 supports cell theory? explain your response.