Earth’s internal composition and Landforms — Social Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7Social ScienceEarth’s internal composition and Landforms1 Mark
Question
Why is the surface of the continental mass called $'SiAl'$ ?
✓
Answer
The surface of the continental mass is mainly composed of minerals like 'Silica' and 'Alumina'.
So it is called $'SiAl'$ $(Si$ - Silica and $Al$ - Alumina$)$.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.