is the edge of a continent that lies under the ocean.
Explanation:
A. Igneous Basalt Rock
Mid-oceanic ridge volcanoes produce basalt. The centers of the continents are composed mainly of coarse-grained, light-colored rocks like granite.
Answer: Permanent rivers are those which have water all year around. These are also called perennial rivers, and the water comes mostly from groundwater.
Explanation: I hope that is a good example for rivers around the world. If not then I'm sorry <3
