when the rock is more rounded than the others
This question has already been asked. The longest river in Italy is named 'Po'
BASALT is for igneous. SLATE is for metamorphic. LIMESTONE is for sedimentary.
The Danube has been Austria's longest river for a suprising long time of 100 years at the most .
The Loire river is the longest river of France runs about 630 miles.
The longest river in the world is the Nile River. And the widest river in the world the world is the Amazon River! did you no that the amazon river has never been crossed and there is no bridge built long enough to cross it up until now ! anyway so there is your answer and more! biie=]
They have been deposited there after being weathered and eroded from their point of origin.
There has been an ongoing disagreement as to whether the Amazon or the Nile is the worlds longest river, however some researchers accept the Amazon as being longer because of it's source.
The River Seven, also called the River Severn, is located in the United Kingdom. it is the longest river in the UK running for 220 miles. The depth of the river has never been measured.
It is basalt
Basalt
It always has been and has been used by the colonist and shippers today as a highway for goods and people.2nd answer:What??? Let's try this, again . . . the Missouri River is not the longest river in the US, and in any event is located far, far from where the colonists lived in New England.The longest river is the Mississippi River, which the Missouri flows into. The Mississippi River has drained parts of Canada and the US for so long that it is difficult to pinpoint how old it is. It is certainly far older than the time that the first people came to North America.3rd Answer.The Missouri River is the longest river in the USA. At 2,341 miles (3,767 kms) it is 21 miles (47kms) longer than the Mississippi.
The longest river is stated to be the River Nile which is 6670 km. The largest river by sheer volume is the Amazon River. However, new measurements may make the Amazon River the longest as it is estimated that it is now over 6700 km. GeoSurveys are still being conducted and no time has been advised of when this will be officially ratified