Analyze the image below and answer the question that follows.

A cross-sectional view of the Earth to show the 4 layers. An arrow points to the first layer.
Image by Mats Halldin and Charles C.

In the image above, the arrow is pointing to the layer of the Earth that is made up of pieces called plates. Which of the Earth’s layers is the arrow pointing to?
A.
the inner core
B.
the crust
C.
the outer core
D.
the mantle