"Dead Sea" is a proper noun because it refers to a specific geographic location, namely a salt lake bordered by Jordan to the east and Israel and Palestine to the west. Proper nouns are always capitalized and denote unique entities, distinguishing them from common nouns that refer to general items or concepts.
The noun 'squid' is a singular, common, concrete noun; a word for a type of sea creature; a word for a thing.
phosphate
Dead Sea Cosmetic specializes in beauty supplies that use salt from the Dead Sea. The salt is used in scrubs and body washes that peel away dead skin leaving a healthy layer.
dead seathe dead sea
The Dead Sea is also called the Dead Sea.
"Lobsters" is a common noun because it refers to a type of sea creature and is not a specific or unique name.
Dead sea should be a sea.
The Dead Sea.
dead sea dead liao
The Dead Sea is a lake.
The noun 'dead' is a concrete noun as a word for a person or thing that is no longer living. The noun 'dead' is an abstract noun as a word for a period exhibiting the greatest degree of intensity (the dead of winter). A related abstract noun is death.
The noun 'dead' is a concrete noun as a word for a person or thing that is no longer living. The noun 'dead' is an abstract noun as a word for a period exhibiting the greatest degree of intensity (the dead of winter). A related abstract noun is death.