a control helps to increase the reliability of the results. it allows a scientist to compare it to other group(s) in an experiment. if a scientist notices a significant different btwn the control and the other groups, he can logically conclude that the independent variable has an impact on the dependent variable.
a variable is any factor, trait or condition that can exist in differing amounts or types. there are usually three tpes of variables in experiments: the independent, dependent and contolled. the independent variable variable is the one that is changed by the scientists to figure it's affect on something.
I guess it would have to be A
Answer: sorry I’m to lazy to type
:)))
C because you are like a mix between your mom and your dad. This is just an example. I knew the answer, I just added that to get 20 words
The Space Exploration efforts conducted from Florida have created more jobs, more revenue for the state and greater tourism.