jparton09 jparton09

22-09-2020
Chemistry

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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

Respuesta :

austinmartin681 austinmartin681

28-09-2020

Answer:

It Would be radioactive decay of the impurity, uranium, to become lead

Explanation:

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