If a product contains bleach (peroxide), it will whiten your teeth. But not all treatments are created equal. It's the concentration or percent of hydrogen peroxide a teeth-whitening system contains and the amount of time it's in contact with your teeth that determines its effectiveness.
Definition of fecund - producing or capable of producing an abundance of offspring or new growth; highly fertile Definition of fecund - producing or capable of producing an abundance of offspring or new growth; highly fertile
Definition of Cooperative. A type of residence where the buyer owns shares in the corporation that owns the building and has the right to live in a specific unit, but doesn't actually own the space. The development's association board interviews the buyer as part of the application to live in the community.