It would be the oceanic crust and the continental crust.
The mountain ranges and rivers in Southeast Asia have made a stripe like relief in the mainland of this region. The mountain ranges are in a north-south direction and separate the region into few big elongated valleys, and the 5 big rivers also are moving from the north towards the south (southeast, southwest as well), and are running in between the mountain ranges and cut through the valleys.
Decomposers break down dead material
The sun is in the highest point in the sky. The northern end of Earths axis is tilted toward the sun. The Northern hemisphere receives minimal daylight.
