Σεισμοί και Στρώματα της Γης

What are the three different layers of the Earth?

• Crust

• Mantle

• Core

• All of the above

What is the average thickness of the continental crust?

• 35 km

• 60-70 km

• 7 km

• 80 km

What characterizes the lithosphere?

• A rigid layer

• A liquid layer

• A gaseous layer

• None of the above

What is the average thickness of the oceanic crust?

• 35 km

• 60-70 km

• 7 km

• 80 km

What is the depth of the mantle?

• 2,900 km

• 6,370 km

• 80 km

• 35 km

What is characterized as a rigid layer with an average thickness of about 80km, consisting of the solid crust and part of the solid upper mantle?

• Lithosphere

• Asthenosphere

• Mantle

• Core

What is the layer below the lithosphere known as?

• Lithosphere

• Asthenosphere

• Mantle

• Core

What is the outer part of the core described as?

• Solid

• Liquid

• Gas

• Plasma

What happens when two tectonic plates approach each other?

• They collide

• They separate

• They float

• They dissolve

What do the movements of lithospheric plates cause at their edges?

• Earthquakes

• Volcanoes

• Floods

• Landslides