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Earth's Formation Quick Check
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Anonymous
Which allowed scientists to determine that Earth was at least 4.3 billion years old?(1 point)
Responses
the electrical conductivity of uranium ions
the electrical conductivity of uranium ions
magnetic field surrounding zircon
magnetic field surrounding zircon
chemical reactivity of zircon ions
chemical reactivity of zircon ions
the radioactive decay of uranium to lead
Responses
the electrical conductivity of uranium ions
the electrical conductivity of uranium ions
magnetic field surrounding zircon
magnetic field surrounding zircon
chemical reactivity of zircon ions
chemical reactivity of zircon ions
the radioactive decay of uranium to lead
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