Question

1. it is the part of the experiment that provides a standard for comparison, so it is the group that is kept the same as the normal conditions

a. experimentation
b. theory
c. variable
d. control

1. the factor that is changed by the scientist is the ____

Explanation:

1. For the first blank: The part of an experiment used as a comparison standard, kept under normal unchanged conditions, is defined as the control group/condition.
2. For the second blank: The factor intentionally changed by a scientist in an experiment is the variable (specifically the independent variable, which falls under the general term variable here).

Answer:

1. control
2. variable