the absolute age of a rock is approximate number of years ago that the rock formed. The absolute age of an igneous rock can best be determind by
A. measuring the amounts of radioactive isotopes in the rock
B. comparing the sizes of the crystals found in the upper and lower parts of a rock
C. examining the rock's relative position in a rock outcrop
D. observing the environment in which the rock is found

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28-01-2021
Chemistry

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the absolute age of a rock is approximate number of years ago that the rock formed. The absolute age of an igneous rock can best be determind by
A. measuring the amounts of radioactive isotopes in the rock
B. comparing the sizes of the crystals found in the upper and lower parts of a rock
C. examining the rock's relative position in a rock outcrop
D. observing the environment in which the rock is found

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ajeigbeibraheem ajeigbeibraheem · Answer 1 · 2021-11-25T12:03:24+01:00

The absolute age of an igneous rock can best be determined by measuring the amounts of radioactive isotopes in the rock. Option A is correct.

Igneous rock is formed and arises as a result of the cooling and solidification of the molten magma underneath the earth surface.

Igneous rock can best be determined by measuring the amounts of radioactive isotopes present in the rock because this will be used for radiometric dating which will eventually determine the absolute age of the igneous rock.

Learn more about radioactive isotopes here:

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