Doctors try to remove tumors from the body to prevent it from spreading and affecting other parts of the body.
Hii!! I believe the answer is fetal stage. (:
Answer:
Like hot springs and geysers on land, hydrothermal vents form in volcanically active areas—often on mid-ocean ridges, where Earth's tectonic plates are spreading apart and where magma wells up to the surface or close beneath the seafloor.