what may form when magma comes to the surface? a ridge a trench a volcano a fault

what may form when magma comes to the surface? a ridge a trench a volcano a fault
Answer
Brief Explanations:
Magma reaching the Earth's surface erupts and can build up to form a volcano. Ridges are often formed by tectonic - plate spreading, trenches by subduction, and faults by tectonic stress.
Answer:
C. a volcano