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Paleontological Evidence

Age of fossil...

Question

Age of fossils was previously determined by radioactive elements. More precise recent method which has led to revision of evolutionary periods is

A

Study of carbohydrate and protein in fossils

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B

Study of conditions of fossilisation

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C

Electron spin resonance and fossil DNA

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D

Presence of carbohydrate and protein in rocks

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Solution

The correct option is C Electron spin resonance and fossil DNA
Electron Spin Resonance Dating, or ESR dating, is a strategy used to date recently shaped materials, which Radiocarbon dating can't, similar to carbonates, tooth finish, or materials that have been recently warmed like the volcanic shake. Electron turn reverberation dating was first acquainted with the science network in 1975, when Motoji Ikeya dated a speleothem in Akiyoshi Cave, Japan.
So, the correct option is 'Electron spin resonance and fossil DNA'.

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