Question

Alexander is working with plants in the laboratory. In his experiment, he takes seeds from one plant and puts them in soils of different acidity. He keeps them in the same location and provides 50 milliliters (mL) of water each day. He plans to observe how many seedlings sprout from the seeds. What is the independent variable in this experiment?

Answer 1

Step-by-step explanation:

The independent variable in the Alexander's experiment is the acidity of the soil.