Answer: nebula, dwarf, star, red giant white
Explanation: i actually have no clue if this is correct sorry
The correct answer is D: Group 4.
A control group in an experiment is a group separated from the other groups, where the variable that is being tested cannot influence the results. In this case, different materials are the independent variable that you test. Effects of that independent variable on the melting rate of ice are excluded in the control group.
On average, women live longer than men
Answer:
There are two people affected
Explanation:
The black shapes are affected people, the white ones are unaffected