Question

What are duns?Name some well known duns?

Answer 1

duns are narrow valleies between the himalayan ranges and the shivaliks. example is dehradun, Kotli Dun, patli dun etc

Answer 2

Dun is known as the Data Universal Numbering System which is abbreviated as DUN.

EXPLANATION:

Dun is  is a 'proprietary system' which is regulated by 'Dun & Bradstreet' (D&B) which assigns a "unique numeric identifier", known as a "DUNS number" to a "single business entity". It has been introduced in '1963' to support "D&B's" credit reporting practice. Some well knows DUNS are  

• Great Dune of Pyla: 'La Teste-de-Buch', France.  

• Dune 7: 'Namib Desert', Namibia.  

• Star Dune: 'Great Sand Dunes National'  

• Park & Preserve, 'Colorado'.  

• Simpson Desert Dunes: 'Australia'.  

• Badain Jaran Desert Dunes: 'Inner Mongolia', China