Answer:
Control group
Explanation:
A control group is<em> a group of individuals in an experiment where the independent variable being tested (the exposition to cigarette smoke in this case) can't influence the results.</em> This control group will be then compared to the experimental group (exposed to the smoke) to see the effect of the variable evaluated.
I hope you find this information usefula nd interesting! Good luck!
The water level in the bog would rise during heavy or prolonged rain.
Hope this helps (:
-Payshence xoxo
A might be it not to sure sorry
The brain is incorrect. Its the nucleus (the brain is an organ not a organelle)
hope that helps :)
Compressibility is a chemical property because it’s made more compact
