History and prehistory | The Origin of Humans and Human Societies | World History | Khan Academy Flashcards Preview

World History > History and prehistory | The Origin of Humans and Human Societies | World History | Khan Academy > Flashcards

Flashcards in History and prehistory | The Origin of Humans and Human Societies | World History | Khan Academy Deck (3)
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1
Q

note

A
  • human beings have been around for about 200,000 years

- earth exist for roughly 4 billion years

2
Q

prehistory

A
  • history that occurred before we had writing
  • anthropology (study of present and past humans)
  • archaeology (subset of anthropology, past study of humans and human society through remains)
  • paleontology (remains and pre-human remains)
3
Q

radiocarbon dating

A
  • can be used for things up to 50,000 years old
  • nitrogen-14 becomes carbon-14, carbon-14 decays to carbon-12
  • ratio of carbon-14 to carbon-12 can be used to tell how old something is

Decks in World History Class (62):