HELP WILL GIVE BRANLIEST! Please give an explanation

Explain how scientists use geologic time to determine the age of landforms.

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity

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.