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How are sial and sima different?

Answer:

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 and sima is generally thinner(about 10km).

hope that helps!

=^D

First answer by ID1178240634. Last edit by ID1178240634. Question popularity: 3 [recommend question].

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