Correct Answer:
Option A - Earth's most internal layer beneath the lithosphere is known as Barysphere. Its depth is about 2880 km and ahead . It is the innermost layer of the Earth and includes both the inner core and outer core and is composed of nickel and iron.The temperature of the Barysphere is almost 5500 degree Celsius.
A. Earth's most internal layer beneath the lithosphere is known as Barysphere. Its depth is about 2880 km and ahead . It is the innermost layer of the Earth and includes both the inner core and outer core and is composed of nickel and iron.The temperature of the Barysphere is almost 5500 degree Celsius.