The Flint Tools Found by Boucher De Perthes Were Thought

question 21

Multiple Choice

The flint tools found by Boucher de Perthes were thought to be ancient because:

• A) they were found in association with the bones of extinct animals
• B) the flint from which the tools were made dated to more than 100,000 years ago
• C) they had an exceptionally thick rind on their surfaces, the result of a long period of burial in soil
• D) all of the above

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