Junipers have spread into the grasslands of the Texas Hill Country. Studies show that removing junipers allows more water to reach native grasses in this area. How do we know whether these conclusions are valid? O A. The results can be repeated. O B. The research is expensive. O C. The results make sense. O D. The researchers have good intentions.

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna. b) they study alleles that contain genes, which are chromosomes. c) they study chromosomes that contain genes, which are dna segments.