Answer:
The theory gives an explanation to the tectonic plates that form the Earth's surface and to the displacements that are observed between them in their movement on the fluid earth's mantle, their directions and interactions. It also explains the formation of mountain ranges. It also gives a satisfactory explanation of why earthquakes and volcanoes are concentrated in specific regions of the planet (such as the Pacific ring of fire) or why large underwater trenches are next to islands and continents and not in the center of the ocean.
Step-by-step explanation:
This theory says that for billions of years, the plates of which the continental crust is composed have been experiencing slow but continuous displacement. The movement is due to the continual formation of new material from the mantle. This material is created in the oceanic crust. In this way, the new material exerts a force on the existing material and causes the continents to move.