Which one of the following statements is true regarding the structure of the earth?

زمین کی ساخت کے بارے میں مندرجہ ذیل میں سے کون سا بیان درست ہے؟

Owing to extreme pressure, the crust is a form of thick black molten fluid.

The outer shell of the earth is called the mantle.

The core layer is present above the mantle.

The mantle is the biggest part of the earth by volume.

The mantle is the largest layer of the Earth by volume, lying between the crust and the core.

It consists mostly of silicate rocks that are solid but can flow slowly over time due to high temperature and pressure.