Question

choose the inter most layer of the Earth is also known as options sima nife sial mesosphere. ​

Answer 1

Answer:

nickel-iron alloy core

The name 'sial' was taken from the first two letters of silica and of alumina. The sial is often contrasted to the 'sima,' the next lower layer in the Earth, which is often exposed in the ocean basins; and the nickel-iron alloy core, sometimes referred to as the "Nife".