Question

Ruby has observed the plants in her garden very in height. She wants to investigate whether a plant species grows faster than the other garden species. Select the statement that describes Ruby gathering enough evidence to support a scientific explanation concerning plant growth breeds. Note consider reviewing how Ruby developed her conclusion on page 8 of this lesson to select the best answer.
Ruby measure the height of a species a plant for a week and find an anonymous gardening blog that describes the growth rate of species a
Ruby measures the height of several species a BCND plants each species for one week at a time for four consecutive weeks
Ruby measures the heights of several species and plants for a week under the same conditions, and find journal articles that describe the growth rates for each species
Ruby measures the heights of several species and plants for a week under different conditions, and find a journal article that describes the growth rate of species a