How to Whiten Your Teeth: 4 Home Remedies A smile conveys your feelings. However, you could feel uncomfortable showing the world your smile if your teeth are yellow, stained, or otherwise unsightly. You're not alone either. In 2020, more than 37 million Americans used teeth-bleaching products. We turn to dentist Anne Clemons,...

Proportional Representation | Definition, Features, Types, Advantages & Disadvantages Definition of Proportional Representation The proportional representation is an electoral system which emphasizes a direct relationship between the number of votes cast and the number of representatives or legislators elected. Unlike geographical representation which is based on the constituency, proportional representation is a...