Which of the following is an obstacle to creating computer based models for tracking hurricanes a. hurricanes form over water, where it is difficult to observe them. b. most sources of data about hurricanes are anecdotal and unreliable. c. forecasters must consider a large number of variables that affect the path of the storm. d. all of the above

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.