Question

graphing. independent and dependent variables
by dailey
multiple-choice question
what is the independent variable?
the thing the scientist changes
the thing the scientist measures
rewatch
(image shows a graph with x - axis labeled # of days (0, 5, 10, 15, 20) and stars plotted, and a hand drawing the graph)

Explanation:

In scientific experiments, the independent variable is the factor that the scientist intentionally changes or manipulates to observe its effect on another variable. The dependent variable is what the scientist measures. So the independent variable is "The thing the scientist changes".

Answer:

A. The thing the scientist changes