Explain the layers of the interior of the earth with reference to the

1.	Explain the layers of the interior of the earth with reference to the following : (a) Depth, (b) Temperature (c) Density.
Answer» Crust : (a) Depth 35-50 km below continents and 6-12 km. below the oceans. (b) Temperature — Less than 870°C (c) Density — 2.7 g/Cm3 – 5.5 g/Cm3. Mantle : (a) Depth — 50 – 2900 km. (b) Temperature — 1500° C – 2200°C (c) Density — 3 g/Cm3 – 4.5 g/Cm3 Core : (a) Depth — 2900 km – 3500 km (b) Temperature — 2200°C – 5000°C (c) Density — 10.0 g/Cm3 – 13.6 g/Cm

Explain the layers of the interior of the earth with reference to the following : (a) Depth, (b) Temperature (c) Density.

Answer»

Crust :

(a) Depth 35-50 km below continents and 6-12 km. below the oceans.

(b) Temperature — Less than 870°C

Mantle :

(a) Depth — 50 – 2900 km.

(b) Temperature — 1500° C – 2200°C

Core :

(a) Depth — 2900 km – 3500 km

(b) Temperature — 2200°C – 5000°C