Question

when experimenting with the growth of a plant, a scientist uses three of the same type of plants, two different fertilizers, equal light, and equal water. what type of variable is the fertilizer?

Explanation:

In an experiment, the independent variable is what the researcher changes or manipulates to observe its effect on another variable. Here, the scientist is changing the fertilizers to see their impact on plant - growth. So, the fertilizer is the independent variable.

Answer:

B. Independent