Answer:
This is a theory.
Step-by-step explanation:
The sialic continents, mafic ocean floors, the crust, the mantle and the core were all formed while the early melted Earth cooled and differentiated as low density minerals floated to the surface and heavy, denser minerals sank to the center.
1/4 hopefully this helps you with work
D: Sqrt 13
I just did it on edg. 2020
m=-12
Not sure where the 8 comes from, but you would subtract 9 from the left side. The result is -12.
