Imagine an apple. You have the thin, often time very unique and colourful skin which indicates exactly that you're looking at an apple with just a passing glance. read more
The core is the Earth’s heat engine. The mantle is the heat transfer medium between the core and the crust. The mantle insulates the core and protects the dynamo which generates our magnetic field, which protects life, it also supports the lithosphere and the crust, which hosts the biosphere. The Earth is what it is because the mantle is what it is. read more
T/F: The mantle is the one of two layers of the solid Earth with which human beings have had direct contact. read more