Which layer of earth is broken into giant plates

lithosphere

In plate tectonics, Earth's outermost layer, or lithosphere—made up of the crust and upper mantle—is broken into large rocky plates. These plates lie on top of a partially molten layer of rock called the asthenosphere.

Explanation:

The lithosphere

Explanation:

The lithosphere is broken up into giant plates known as tectonic plates.

answer; they are called (pebbling);