Podcast
Questions and Answers
Which of the following is the primary source of the Earth's internal heat?
Which of the following is the primary source of the Earth's internal heat?
- Radioactive decay (correct)
- Tidal forces
- Solar radiation
- Volcanic activity
What is the main reason why the Earth's internal heat is important?
What is the main reason why the Earth's internal heat is important?
- It maintains the Earth's magnetic field
- It powers plate tectonics (correct)
- It causes earthquakes
- It keeps the Earth's core solid
How does the Earth's internal heat contribute to the formation of volcanoes?
How does the Earth's internal heat contribute to the formation of volcanoes?
- It causes the melting of rocks in the Earth's mantle (correct)
- It increases the pressure in the Earth's crust
- It triggers the release of gases from the Earth's core
- It creates cracks in the Earth's lithosphere