Question

basis on which concentric layers is divided into​

Answer 1

Answer:

crust  mantle  core

Explanation:

crust  outer mantle  inner mantle  outer core  inner core

Answer 2

Answer:

On the basis of seismic wave properties, the mantle could also be divided into a number of concentric shells. The lower mantle extends from a depth of about 700 km within the Earth to the top of the core at 2,900 km.