Water plays an important role in weathering and breaking down rock. ... Forces like wind and water move the rock pieces. They mix with matter like sand to become sediment. Weathering and erosion help shape Earth's surface.
Isthmus of Panama is the geographic feature that marks the division between central america and south america. It connects North America and South America and separates the Caribbean Sea from the Gulf of Panama.
The southeastern Asia is a subregion consisting of the geographically south china, east of the Indian subcontinent and the northwest of the Australian and has an area of 4,545,792 km square with a population of 655,298,044 and is 10.5% of the Asia and 3% of the Asian landmass. and forms the member of the ASEAN a regional organization that establishes the economic, the political, military, the educational and the cultural integration.
<u>Especially of the Vietnam in the northern parts and was under the dominance of the chines and this became a trading hub for the west and northwest and the silk route also has flourished due to there existence.</u>