Age of fossils in past was generally determined by radio-carbon method and other methods involving r

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6.Evolution

normal

Age of fossils in the past was generally determined by radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of the evolutionary periods for different groups of organisms, includes

Electron spin resonance $(ESR) $ and fossil $DNA$

Study of carbohydrates/proteins in rocks

Study of carbohydrates/proteins in fossils

Study of conditions of fossilization

It's Obvious

Standard 12

Biology

normal

normal

(NEET-2014)

normal

normal

normal