The Amazon River.
It lies at the mouth.
The Zambezi River's mouth is located at the Indian ocean.
In the Atlantic Ocean, the mouth of the Amazon river, is the cause of some debate, but it is normally measured from the mouth of the Araguari River to Ponta do Navio on the northern coast of Marajó, Brazil.
Yes, it lies parallel to the mouth of the Parana River.
The Euphrates river helps make up the land area of Mesopotamia along with the Tigris river. On average, the Euphrates 700 miles wide from its mouth.
The Euphrates River joins the Tigris at 31 N, 47 degrees 26' E to form the Shat Al Arab, which leads into the Persian Gulf.
The Tigris-Euphrates confluence at Al-Qurnah forms the Shatt al-Arab River and that flows into the Persian Gulf.
At the mouth of the river Tiber, near Rome.
Ostia Antica is the ancient Roman port at the mouth of the Tiber River. It is one of the early colonies established by Rome in a conquered territory.
The Persian Gulf.
The largely man made port of Ostia, at the mouth of the Tiber.
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Persian Gulf.
an example of a river mouth would be the mouth of the Mississippi river
50,000 m
There are numerous ways to compare rivers - by their differences, by their similarities and some of the criteria would be - length, discharge, size, sources, mouth, basin, tributaries, area through which they flow etc. The links below will give you ample details to cover this.