Sial is another name of

1.	Sial is another name of
Answer» Because the ocean floors are MAINLY sima, it is ALSO sometimes called the 'oceanic crust'. The NAME 'sima' was TAKEN from the first two letters of silica and of magnesia. Comparable is the name 'sial' which is the name for the upper layer of the Earth's continental crust.Explanation:Please MARK me BRAINLIST

Discussion