Answer:
Option: D. a mountain
Explanation:
A mountain is the only landforms on the earth that rises above its surroundings. Mountains created due to the moving of the tectonic plates on the crust. When two plates of the earth's crust crash into each other, the land pushes upwards and forms mountains. Mountains have steep, sloping sides and rounded or sharp ridges.
Japan china indonesia india south korea thailand vietnam singapore phillippines hong kong malaysia pakistan
Answer:
Allowed communication to other parts of the world
