How thick is the sial and sima?

sial stands for silica and aluminum, it makes up the continetal crust && sima is sillica and magnesium which makes up the oceanic crust. Sial is less dense so it can float above the mantle...

hello this is how u say thhick in a thick wayi do not know

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Sial in geology is the upper layer of the earths crust. Because the Earth's crust behaves like a liquid, the rocks in the sial tend to be the least dense, in the same way you see when you float oil...

Yes. They actually met at Wei camp at the battle of Chi Bi.