Scientists have carefully considered and rigorously tested the observations listed above. When scientists offer a of these observations, they are making a .

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What is the statement plant growth is affected by the color light

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water