1] Simpler / Older view of interior of earth.
2] Sources to study interior of earth.
3] Present / modern view of interior of earth.
1] Simpler / Older view of interior of earth.
According to this view, Earth is made of 3 primarily layers.
1. SiAl (Silicon + Aluminium)
2. SiMa (Silicon + Magnesium)
3. NiFe (Nickel + Iron)
