ANSWER:
Oceanic plates sub duct beneath continental plates because they are more dense.
Step-by-step explanation:
- Our earth is divided into 2 sections of tectonic plates. One is known as the continental plate and the other one is known as oceanic plate.
- The formation of Oceanic plate is caused due to the divergent of the plate boundaries.
- In these plates, basaltic lava flows through the volcanic ridge. And in no time its temperatures go down, its turns into igneous rock.