In science class Maria observes a white colored cut flower she sees that the petals turn red when the flower is sitting in a vase that red colored water She forms a hypothesis that the color reaches the flower stem. What should Maria do to confirm the hypothesis ?

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one