"Renewable" generally means "replaced through natural processes in a human timeframe." In that sense, these can not really be considered "renewable" as the rocks we quarry or mine will not be replenished in our lifetime. Is water a renewable resource or a nonrenewable resource?
Answers.com® WikiAnswers® Categories Science Biology Ecology and Bionomics Environmental Issues Is pumice a renewable resource? Coal, oil, natural gas and other fossil fuels like wood that weburn once are finished and are non-renewable. Renewable resources are things like solar
Eraser: Rubber, Pumice and Sulfur Mixture A renewable resource is simply a naturally occurring resource that can be used continuously and will replenish
metamorphic, or sedimentary: pumice, obsidian, basalt Renewable resources can be replaced by nature at a rate close to the rate at which they are used.
Sep 30, 2015 Volcanic pumice was used for artifacts by Maya of Classic period and products were eco-friendly and made from renewable resources of the
Mayan Beauty loofah sponges & pumice stones now available 👣 Guatemalan loofah beauty products are biodegradable natural and a renewable resource!
Mar 10, 2016 Each is made up of different renewable or non-renewable elements. The only renewable resource in a pencil is the wood". Other then wood
Moringa seed and pumice: natural materials for water treatment: Renewable resources as alternatives to industrial products [Kebreab Ghebremichael] on