8.- Beginnings of life

Beschreibung

https://www.khanacademy.org/science/cosmology-and-astronomy/life-earth-universe/history-life-earth-tutorial/v/beginnings-of-life
PEDRO ALVAREZ JIMENEZ
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2

Zusammenfassung der Ressource

Frage 1

Frage
What is the name of the first Eon?
Antworten
  • Hades
  • Hadean
  • Proterozoic

Frage 2

Frage
Why was this eon inhospitable?
Antworten
  • There were lava flowing all around
  • There was not oxygen
  • There were bodies impacting the Earth from the space

Frage 3

Frage
What was the name of the protoplanet that rammed into the Earth to form the Moon?
Antworten
  • Thera
  • Theia
  • Gea

Frage 4

Frage
Why Late Heavy Bombardment is so important for the beginning of life?
Antworten
  • Because it brought microscopic living things to our planet
  • Because it permitted life to develop more quickly
  • Because it was the start up of life on earth

Frage 5

Frage
What caused the Late Heavy Bombardment?
Antworten
  • Nobody knows it
  • A change in the orbits of Uranus and Neptune
  • The explosion of a protoplanet

Frage 6

Frage
When scientists estimate life first appeared?
Antworten
  • 3.824 billion years ago
  • 8.324 billion years ago
  • 3.428 billion years ago
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