The core has the largest density, being made of iron and nickel
The mantle has an intermediate density and the crust has the lowest density.
Yes it does because beacseevery one hasan adress
Metal, metal, nonmetal, metal, nonmetal, nonmetal. For the covalent bonds, it's always between nonmetals. For the ionic, it's a metal and a nonmetal. Hope this helps!
Vertical. Many rocks in mountainous areas can be vertical or even overturned.