Question

At divergent boundaries, hot mantle rock rises and _____ occurs.

Answer 1

When rock rises, they decrease in pressure causes hot mantle rock to melt and form magma. In plate tectonics, divergent boundaries occur when plates pull apart.

Answer 2

Answer: volcanoes

Plate tectonics refers to the movement of the lithospheric plates horizontally over the asthenosphere. In divergent plate tectonics two plates slide apart from each other. In a divergent plate boundaries, the separation of plates along with the eruption of hot mantle resulting in the volcanic eruption.