9. Michael's grandmother is taking part in an experiment to determine how well a new headache medication works. In this experiment, the people in Group
A are taking the new medication. The people in Group B, including Michael's
grandmother, are taking a pill that does not contain the new medication.
In this experiment, what is Group B?
a. Group B is the control group.
b. Group B is the experimental group.
C. Group B is the independent variable.
d. Group B is the dependent variable.

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.