I'm not in high school but I think it's ten or 100
Sandy soil is the parent rock that contails large amounts of quartz!!
Answer:
A double diet is where an organism gets nutrition from plants/meat and the sunlight. An advantage is that they can stay energised for a long time without having to eat by just staying in direct sunlight.
Explanation:
In the experiment, the independent variable is the drug amount. Experiment group is given certain amount of drug, control group is not given the drug. The dependent variable is the body fat. I think you means the control is the living environment including food and water.
Two substances in the body that will move based on the principle of diffusion are CARBON DIOXIDE AND OXYGEN.
Diffusion is the process by which molecules of a substance move from the region of higher concentration to the region of lower concentration. Carbon dioxide and oxygen can easily move in an out of the cell via diffusion.<span />
