Answer:
It is a group designed to not be affected by any variables and to be used as a comparison to the other groups. It helps increase the reliability of your results, as it shows your independent variable is what made something happen in your experiment.
Mass
Explanation:
The larger a star's mass, the shorter it's lifespan.
I hope this helps! ☺
22
the thermometer goes by 2
the true answer is C. Sea levels rose over 300 feet
xylem tissue is the answer.
A plant leans toward a light source.
