Question

refer to the scenario. a scientist sets up an experiment to see how colored lights affect the height of plant growth. he grows one group of plants in full sunlight, one group under red lights, one group under blue lights, and one group under green lights. all the plants are exactly the same type and all receive an equal intensity (brightness) of light. at the end of the experiment he measures all the plants. what is the independent variable? the color of the light the type of plant the brightness of the light the time spent under the light

Explanation:

In an experiment, the independent variable is the factor that the scientist changes or manipulates. Here, the scientist is changing the color of the light to see its effect on plant growth while keeping other factors like plant - type, light - brightness, and time under light constant.

Answer:

the color of the light