Uncovering the Oldest Human Workshop
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Questions and Answers

What is obsidian?

  • A type of sedimentary rock that is commonly used in construction
  • A type of volcanic rock that is formed from the cooling of lava (correct)
  • A type of metamorphic rock that is formed from the compression of sedimentary rock
  • A type of igneous rock that is formed from the cooling of magma

    • What is the significance of the recent discovery of the 1.2 million-year-old obsidian handaxes in Ethiopia?

  • It confirms that Homo erectus was the only early human species to use obsidian to make tools
  • It indicates the existence of a workshop where human ancestors created flints with sharp blades
  • It suggests that early humans were using obsidian to make tools much earlier than previously thought (correct)
  • It provides evidence that early humans were capable of advanced planning and imagination

    • Which early human species is most likely to have created the 1.2 million-year-old obsidian handaxes?

  • Homo erectus (correct)
  • Homo neanderthalensis
  • Homo habilis
  • Homo sapiens

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