Podcast
Questions and Answers
What is the asthenosphere believed to be?
What is the asthenosphere believed to be?
- The zone upon which lithospheric plates of the Earth's crust move about (correct)
- The zone where the Earth's core moves about
- The zone where the seismic waves travel through the Earth
- The zone where the Earth's mantle is divided into two layers
At what depth can the lower mantle be found?
At what depth can the lower mantle be found?
- Between 410 km and 2,900 km below the earth's surface (correct)
- Between 1,000 km and 2,000 km below the earth's surface
- Between 2,900 km and 3,500 km below the earth's surface
- Between 100 km and 1,000 km below the earth's surface
What is the Gutenberg discontinuity?
What is the Gutenberg discontinuity?
- The border between the crust and the mantle
- The border between the mantle and the core (correct)
- The border between the lithosphere and the asthenosphere
- The border between the inner core and the outer core
What is the core of the Earth mainly composed of?
What is the core of the Earth mainly composed of?
What is the outer core of the Earth?
What is the outer core of the Earth?
How many layers does the core of the Earth have?
How many layers does the core of the Earth have?
What is the purpose of the Mohorovicic Discontinuity?
What is the purpose of the Mohorovicic Discontinuity?
What is the reason for the rock being solid in the lower mantle?
What is the reason for the rock being solid in the lower mantle?
What is the significance of the Gutenberg discontinuity?
What is the significance of the Gutenberg discontinuity?
What is the radius of the core of the Earth?
What is the radius of the core of the Earth?