Question

difference between sima and sail also define them?????​

Answer 1

Answer:

Sial refers to the earth’s crusts upper layer, it is made up of rocks abundant in silicate and aluminium based minerals

Sima is the earth’s crusts lower layer and contains rocks with an abundance of magnesium silicate minerals, the word Sima is an amalgam of the first two letters of Magnesium and Silica.