PLEASE HELP ASAP Which statement describes metamorphic rock formation? Select the correct answer. A. Layers build up over time. B. Magma cools and hardens. C. Pressure causes rock to change. D. Once-living organisms become buried.

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a.changes in genetics in human populationsb.antibiotic resistance in bacteria populationsc.pesticide resistance in garden insectsd.changes in the color of the peppered moth population in england