Podcast
Questions and Answers
What is the first stage of development of Earth called, suggesting it started out as a molten object?
What is the first stage of development of Earth called, suggesting it started out as a molten object?
- Accretion
- Flooding
- Cratering
- Differentiation (correct)
What is the main process responsible for Earth starting out as a molten object?
What is the main process responsible for Earth starting out as a molten object?
- Tectonic activity
- Continuous bombardment from asteroids (correct)
- Formation of the crust
- Outgassing from volcanoes
What role does UV light from the Sun play in the fourth stage of Earth's development?
What role does UV light from the Sun play in the fourth stage of Earth's development?
- Intense cratering
- Separating nitrogen compounds to produce N2 (correct)
- Formation of liquid mantle
- Creation of solid crust
What is the stage called when Earth's surface is changing too much to see craters, but the Moon's surface clearly shows continued cratering?
What is the stage called when Earth's surface is changing too much to see craters, but the Moon's surface clearly shows continued cratering?
What was likely present in Earth's early atmosphere based on the text?
What was likely present in Earth's early atmosphere based on the text?