Question

The lower oceanic crust is also called​

Answer 1

Sima is the name for the lower layer of the Earth's crust. This layer is made of rocks rich in magnesium silicate minerals. ... The sima layer is also called the basal crust or basal layer because it is the lowest layer of the crust. Because the ocean floors are mainly sima, it is also sometimes called the oceanic crust.

Answer 2

$\huge\underline{\colorbox{pink}{answer}}$

Sima is the name for the lower layer of the Earth's crust. This layer is made of rocks rich in magnesium silicate minerals.

$ItzShiningKhushi$