one end has the high ground and the other has the low ground so one is higher then the other
The source is where a river begins. The end of a river is usually at the sea.
They look different because when a rock is at the beginning of a river they havent barely started their journey yet so they're probably a lot bigger and not so crucked as to when they are at the bottom after they have fallen got scratched and had bits chipped off of them ...
A river is something that has a beginning and an end but never stops moving.
The beginning of a river is normally called the headwaters or source. The end of a river is the mouth.
they landed at the mouth of the columbia river
That would be the mouth of the Columbia River at Astoria, Oregon.
the beginning is called a source the end is called a mouth
The start of a river is called the headwaters or source; the end of a river is called the mouth.When a river flows into another river, the 'mouth' of the river is called the confluence.
They traveled the Missouri River.
no you can not compare it other than saying that the top of the river has the high ground and the lower part of this is dead one end has the high ground and the other has the low ground so one is higher then the other
Not strictly speaking. The beginning is called the SOURCE - often high up in mountains or similar The exit of the river to the sea (or end of the river) is the MOUTH
the Missouri river , {they also explored the Columbus river and rocky mountains