the presence of stromatolites in some very old rocks can scientists determine the absolute age of those rocks back to abouta.25,000 years. b.45 million years. c.500 million years. d.3.5 billion years.

Which of the following best describes nativism? a group’s shared beliefs, values, and ways of life the belief that the interests of native citizens should come before the interests of outsiders the act of separating one group from another group a distinct group that lives or works together within a larger community