Which of the following methods is least likely to help Alisha determine the age of sedimentary rock layers in her backyard? O Apply radiometric dating to determine the amount of radioactive isotopes in each rock layer. O Identify index fossils in sedimentary rock that have lived in a particular time in Earth's history. O Analyze seismic diagrams to determine how radioactive elements break down into stable elements. O Use relative dating techniques to determine how individual fossil groups are related to specific rock layers.​

i believe that it is a exoplanet

confused

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metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.