Which layer has the most dense materials?
Which layer will seismic waves move the slowest?
Which layer is the thinnest?
Which main layer is the thickest?
Which main layer is made of nickel and iron?
Which layer is made of solid metal?
Which layer is made of liquid metal?
What is made up of the crust and top of the mantle?
What is made up of the softer rock in the upper mantle?
What are the two types of crust that make up the tectonic plates?
continental and oceanic