Answer: Frontier attitude
I can answer when you say if you are talking about cells or no
Answer:
Students who take a PE class and who will be eating sugary snacks before PE.
Explanation:
The control variable (or control group) is an experimental element which is constant or unchanged throughout the course of the experiment.
The option "students who take PE class and who will be eating sugary snacks before PE" will remain unchanged and constant because the whole point of the experiment is to see the effects on students performance in PE after eating sugary snacks.
Hope this helps :)
Answer: Gravity is by far the weakest force we know.
Gravity and weight are not the same thing.
Gravity makes waves that move at light speed.
Explanation: I hope this helps!!