Which is an example of an adaptation? 1. The better nutrition of a human helps her grow taller. 2. The webbed feet of a duck help it swim. 3. The urban location of a raccoon helps it find food. 4. The large leaves of a desert plant require more water.

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 occupation did muhammad have before the first revelation

What is a group of organisms that are closely related and share similar characteristics