Layer Z is found at a depth of 50 to 2,900 kilometers (km) inside Earth. What is Layer X called and where is it found? A. It is the core, and it is found less than 50 km below Earth’s surface.
B. It is the crust, and it is found less than 50 km below Earth’s surface.
C. It is the core, and it is found more than 2,900 km below Earth’s surface.
D. It is the crust, and it is found more than 2,900 km below Earth’s surface.