jparton09 jparton09

22-09-2020
Biology

contestada

Which property of an ancient rock allowed scientists to determine that Earth was at least 4.3 billion years old?(1 point)

electrical conductivity of ions of uranium contained within the rock

chemical reactivity of ions of zircon in the rock with acid rain

magnetic field surrounding the mineral, zircon, in the rock

radioactive decay of the impurity, uranium, to become lead

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atconley23 atconley23

23-09-2020

Answer: Im sorry this isnt really a answer but im in your class imthe amir conley guy

Im stuck on this one 2

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