The ---------- layer is thicker in the continental portion than in the oceanic portion.
Due to the magma created in ---------- layer, magma chambers are found in this part.
The inner core is also called as '----------'.
The temperature towards the core generally increases at the rate of 10C per ---------- metres of depth.
What is the density of material in the centre of the earth ?
The outer core is in which state ?
The density of the material ---------- towards the centre.
As ---------- are lighter in weight, they are found in the upper layer of the crust.
Zinc and Calcium
Silica and Zinc
Silica and Aluminium
Silica and Calcium
The process of cooling of the earth started from the ----------.
The core is subdivided into how many parts ?
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