Sial is the part of …………… .

1. Mantle
2. Core
3. Crust
4. Sima

Sima is composed of …………… & ……………

1. Silica & Aluminium
2. Silica & Nickel
3. Silica & Magnesium
4. Silica & Ferrous

Mesosphere is another name of …………… .

1. Crust
2. Core
3. Mantle
4. Sima

Asthenosphere remains in …………… state.

1. Liquid
2. Molten
3. Partially Molten
4. Solid