No, the compound noun 'underground river' is a common noun, a word for any underground river anywhere. A proper noun is the name of a person, a place, a thing, or a title. The River Fleet is an underground river that runs under London, UK. The River Fleet is a proper noun.
Just a river, usually. There is no special word in English. Rivers that 'dead end' terminate in either a salt lake or sea or a salt pan or flat or go underground. In which case they are called an aquafier or underground river.
An aquifer is an underground river.
Just a river, usually. There is no special word in English. Rivers that 'dead end' terminate in either a salt lake or sea or a salt pan or flat or go underground. In which case they are called an aquafier or underground river.
A river that flows into an underground passage or sinkhole.
yes it does
A river disappearing underground.
puerto prinsesa is the underground river where the rive is underground--!! i hope that dis will the reason why u failed in ur assignment--okszxxyy ba--..?
Underground River in Puerto Princesa and Pagsanjan River somewhere there.
By defintion, a tunnel is underground.
hhdshdjjhufruejcxjuehmkds it is on your head stupid
Phillipines