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.
Movement because plants don't move and animals aren't miving constantly
Coordinates muscles controlling breathing ..
Hope it helps.
Answer:
1 weathering and erosion must move pieces of granite to other locations
Explanation:
A thick layer of humus must form on top of the granite. The granite must be broken into smaller pieces by weathering processes. Erosion by wind and water must move pieces of granite to other locations.