The basic difference is that quiet can mean little or no noise, but silent means ZERO noise. If you describe somebody as quiet, it means that person doesn't talk very much. People can also talk quietly (with a very low volume) but itís impossible to talk silently!
Bamboo is a beautiful plant to keep indoors and yet has immense benefits for indoor air too. Bamboo was rated a score of 8.6/10 by NASA in the list of plants that purify air. Bamboo has the ability to fight of pollutants in the air, purifying the air from fomeldehyde, xylene and carbonmonoxide. Bags filled with bamboo charcoal can be kept indoors to absorb unpleasant odors and keep the house smelling fresh, while absorbing excess humidity that promotes mold growth as well.