Which of the following statements is true? A.
The Earth's lithosphere is entirely made up of liquid magma.
B.
The Earth's mantle is made up of tectonic plates.
C.
The Earth's mantle is made up of continents.
D.
The Earth's lithosphere is made up of tectonic plates.

D.  The Earth's lithosphere is made up of tectonic plates.

Explanation:

The lithosphere is the Earth's outermost layer. It is made up of the brittle crust and upper mantle. Lithosphere is consist of huge slabs known as tectonic plates. These plates are present on the top of molten layer (partially) of rock. The heat from the mantle allows the bottom of the rocks soft and cause plates to move.

There are two main types of tectonic plates called oceanic and continental.

Hence, the correct answer is "D.  The Earth's lithosphere is made up of tectonic plates."

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