You will need to graph this data (on graph paper) in order to answer the following questions. When you graph the data, scale the time axis from zero to 30 days. A raw potato was found to have a mass of 330 grams. The potato was sliced and the slices were set in a single layer on a piece of screen wire to dry in the sun. The potato was measured after 7, 14, and 21 days and found to be 212 g, 148 g, and 126 g, respectively.

Which is the independent variable in the experiment, and where would it appear in a data table?
Group of answer choices

Mass of Potato, left column

Week, right column

Mass of Potato, right column

Week, left column