Question

ms. wnek is conducting an experiment to test the following lab question: does brand of tomato seeds affect how heavy the tomatoes grow? what is the independent variable in her experiment? amount of light color of tomato seed brand grow location tomato weight amount of water

Explanation:

The independent variable is the factor manipulated to observe its effect. Here, the experiment tests if seed brand affects tomato weight, so the manipulated factor is seed brand.

Answer:

C. Seed brand