A dam
Fence
tributary
colorado river
The Great Barrier Reef is not known by any other name. It is sometimes referred to as simply the Reef, but it has no other common name.
needed energy
Ponni , the other name of cauvery river.
It wasn't a river that served as a strong barrier to invasion in China. It was the Pacific Ocean that served as a strong barrier to invasion.
Tributary when one river flows into another or if more than one river merges to form another - Confluence
St. John's River
rat that lives in a river
Another name for the Huang he river is the yellow river. the color yellow symbolized centraility, meaning china was the center of the world.Also minerals made the river a yellowish color.
The Nile river