Answer:her arm is puffy, red, and swollen
Explanation:
Basically they say "null hypothesis" according to source:
http://www.statisticshowto.com/what-does-it-mean-to-reject-the-null-hypothesis/
The factor being tested is the variable. There are two types of variables, independent and dependent. The independent variable is the factor being changed by the scientist or the person controlling the experiment. The dependent variable is the thing that gets changed due to the changing of the independent variable. The dependent variable cannot be changed physically by the person doing the experiment.
Ur answer is A. G2
Explanation: it goes G1 Phase, S Phase, and then G2 phase. The answer is A.
