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Which number replaces the qu...

Which number replaces the question mark?

Correct answers: 340

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Abraham Werner

Born 25 Sep 1750; died 30 Jun 1817 at age 66. Abraham Gottlob Werner was a German geologist who founded the Neptunist school, holding that all rocks have aqueous origins. This contrasts with the Plutonists, or Vulcanists, who maintain that granite among other rocks were of igneous origin. Werner also rejected the idea of uniformitarianism whereby geological evolution has been a uniform and continuous process.«

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