Respuesta :

Answer:

the silicon-rich and aluminium-rich rocks of the earth's continental upper crust, the most abundant individual rock being granite.

Answer:

continental crust that makes up the land on earth.

Explanation:

Sial is the continental crust that makes up the land on earth.

  1. The word Sial is a shorter word for the compound, containing silicon- Si and Aluminium-Al.
  2. Generally, SIAL represents the composition of the upper layer of the Earth's crust.