Question

Mr Smith wanted to see if the color of light shined on a planet at an effect on the number of leaves it had he gathered a two groups of the same pieces of plants gave them the same amount of water and did the test for the same amount of time on one group of plants he used white light on the second group he changed the light color to red and identify the independent variable dependent variable three constants control group and experimental

Answer 1

so u know u have 2 groups of the samepieces then gave u the same amont number