Question

what is molten rock that is beneath the surface of the earth called? lava magma

Explanation:

In geology (a subfield of Natural Science), molten rock beneath the Earth's surface is defined as magma. Lava is molten rock that has erupted onto the surface. So the correct term for molten rock below the surface is magma.

Answer:

B. Magma (assuming the blue option is labeled as B, or directly: Magma)