Carbon has a third isotope, named carbon-13. Apply lesson concepts to infer how many protons and neutrons are found in each atom of carbon-13.
Carbon-13 is a stable isotope, like carbon-12. How useful would carbon-13 be
for radiometric dating?

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Select the correct answer. which of the following statements is a scientific claim? a. the early solar system had large amounts of water; so, the oldest objects in the solar system should also be abundant in water. b. the mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency. c. planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originated. d. earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea.