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It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect?
Biologymedium
AOlder sediment layers have equal amount of these radioactive isotopes as that of the young ones
Older sediment layers have less amount of these radioactive isotopes as that of the young ones.
COlder sediment layers have greater amount of these radioactive isotopes as that of the young ones.
DOlder sediment layers did not have these radioactive isotopes
Correct Answer: B. Older sediment layers have less amount of these radioactive isotopes as that of the young ones.
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