Test
8.- Beginnings of life
Preguntas del test (6)
1What is the name of the first Eon?
- AHades
- BHadean
- CProterozoic
2Why was this eon inhospitable?
- AThere were lava flowing all around
- BThere was not oxygen
- CThere were bodies impacting the Earth from the space
3What was the name of the protoplanet that rammed into the Earth to form the Moon?
- AThera
- BTheia
- CGea
4Why Late Heavy Bombardment is so important for the beginning of life?
- ABecause it brought microscopic living things to our planet
- BBecause it permitted life to develop more quickly
- CBecause it was the start up of life on earth
5What caused the Late Heavy Bombardment?
- ANobody knows it
- BA change in the orbits of Uranus and Neptune
- CThe explosion of a protoplanet
6When scientists estimate life first appeared?
- A3.824 billion years ago
- B8.324 billion years ago
- C3.428 billion years ago
Información
- Descripción
- https://www.khanacademy.org/science/cosmology-and-astronomy/life-earth-universe/history-life-earth-tutorial/v/beginnings-of-life
- Autor
- Usuario eliminado
- Idioma
- English
- Visitas
- 11
- Historial
- Creado el 6 sep 2016 · actualizado el 7 sep 2016
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test