Beccaroviachani Beccaroviachani

14-02-2016
Chemistry

Answered

Which of the following is a radioisotope used to date rock formations older than 50,000 years?

ACarbon-14.
BUranium-235.
CCobalt-69.
DCarbon-12.

Verified Answer :

BlueDomo BlueDomo

14-02-2016

You use uranium, carbon 14 half life is such that after 50000 years there won't be much left in the sample.

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