Question

1. when testing how different colors of light affect plant growth, the color of the light is the independent variable. 11. the amount the plant grows under different colored lights is the variable.

Explanation:

In an experiment, the independent variable is what is changed by the experimenter, and the dependent variable is what is measured and affected by the independent variable. Here, the color of light is changed (independent variable), and the plant - growth amount is measured, which is affected by the light color.

Answer:

1. Dependent