Question

difference between sial and sima

Answer 1

Answer:

Sial is composed of silicon and aluminium.It is upper layer which forms a discontinuous cover over the Earth's crust and is entirely absent the ocean floor.

Sima is composed of silicon and magnesium. This is the second layer below sial which forms the ocean base.

Answer 2

Answer:

sail: sale consists of solid or continental parts of the Earth crust.they are composed of many kinds of rocks which have the density and composition of granite

sima:the lower continuous layer (termed sima because of its rich in silica and magnesium) has an average density and composition similar to that of the common black volcanic Lava called basalt.