Which of the following best describes the theory of natural selection

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.