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Energy resources. The property that we extract from nature for energy. Renewable Resources: These are those that regenerate naturally at a rate equal to or superior to their exploitation. However, a renewable resource can be renewed if it is not exploitation. Hydrogen (H2O), tidal energy nuclear fusion energy (the stars). Nonrenewable resource: Those who are regenerated at a pace so slow that we consider finite. These include fossil fuels and nuclear fuels. The nuclear fission is a non-renewable energy that will be used radiative minerals. We must distinguish between the energy needed to live endosomàtica energy exosomàtica that is used to maintain a certain lifestyle, the first type is the biomass.Water is a scarce resource essential for life. Most of the water we use comes from surface water or aquifer. Water use: agricultural use, energy use, industrial use, recreational use, domestic use. The amount of water on earth Baria thanks to the water cycle, the waste produced by humans can contaminate the water. So there are wastewater treatment facilities that are using various physical and biological processes, removes pollutants and restore the quality. Sound pollution: reduced consumption, increase efficiency of the facilities, desalination of seawater and shipping.

Forest resources Biodiversity is the set of all varieties of life forms that exist in the world. Thanks to the photosIntesa forests include a number of O2 and release CO2 into the atmosphere and also generate moisture. Forest Resources. Charcoal was the main source for primary energy, mineral Cabó replaced him, there are countries in the energy resources based on biomass, including wood used to obtain fuel. - L 'exploration of forest resources should be sustainable. Reforestation, increasing areas of forest. - Deforestation is the abusive felling of trees. Forest fires are another cause of the destruction of vegetation, making it weakens the ability to contribute to fixation of CO2 greenhouse .- The woodlands erosionabilitat reduce the sun, the speed of impact, reduce the erosive power, infiltration capacity, and the roots hinder soil erosion. -Desertification increases the advance of deserts, deforestation and soil loss by erosion. And the lost of biodiversity. --Soil is a dynamic natural system that has been formed as a result of alteration of rocks by the action of atmospheric agents and human beings. The single-living microorganisms that transform the decaying organic matter in inorganic nutrients that plants use to rot. The science of soil called edaphology.