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Earth by SALAMANCA, AZELEI B. is a document available to read on EtoBox.

What is Earth about?

The Earth is composed of four main layers - crust, mantle, outer core, and inner core. The mantle is the largest layer and is made of hot, dense rock. It flows slowly due to convection currents caused by hot material rising and cooling material sinking. The crust sits atop the mantle and is broken into tectonic plates that move due to seafloor spreading at mid-ocean ridges. As evidence, magnetic patterns in ocean crust and the arrangement of continents on Earth

Author

SALAMANCA, AZELEI B.

Language

EN