JAMB - Geography (2021 - No. 14)
The correct arrangement of the layers of the earth crust from the surface to the interior is
sial, mantle, sima, core
sima, sial, core, mantle
core, mantle, sima and sial
sial, sima, mantle and core
คำอธิบาย
The crust is subdivided into the upper part, containing minerals like silica, iron and magnesium(sima). The mantle is found beneath the crust and the core is surrounded by the mantle. Hence, the correct arrangement of the layers of the earth crust "sial, sima, mantle and core" from the surface to the interior.