It is D it does not have a characteristic of sovereign
Ocean floor subducts under continents because the ocean floor is softer and the crust in here is with lesser density and thickness, while the continents are harder because their crust is thicker and has bigger density. So when they collide, the softer ocean floor is pushed downwards by the harder continental crust.
The two parts of Malaysia are: The Peninsular Malaysia, that borders Thailand and the East Malaysia, which is mostly placed on the Borneo Island, shared with Indonesia.
They are divided by the South China Sea, so the correct answer is C. South China Sea
The epicenter of an earthquake is the location directly above the hypocenter on the surface of the earth. The “Ring of Fire” also called the Circum-Pacific belt, is the zone of earthquakes surrounding the Pacific Ocean — about 90% of the world's earthquakes occur there.