Activated charcoal traps impurities in water including solvents, pesticides, industrial waste and other chemicals. This is why itâs used in water filtration systems throughout the world. However, it doesnât trap viruses, bacteria and hard-water minerals.
A proper noun or proper name is a noun representing unique entities (such as India, Jupiter, Harry, or BMW), as distinguished from common nouns which describe a class of entities (such as city, animal, planet, person or car).
Proper noun: I can see Jupiter tonight. Common noun: Heâs always hanging out with his girlfriend. Proper noun: He never goes anywhere without Sarah. Common noun: There are a lot of important documents in the archives. Proper noun: There are many important documents at The Library of Congress. How to Use Proper Nouns