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deutsche Version
		Use and safeguarding of matter, energy and food resources Clarification of man's intervention in the natural matter household. Importance of resources for man and the use and the lasting safeguard of these resources. Fossil raw materials and mineral raw material media Drinking water Gas hydrates Use of energy and alternative sources of energy The soil as a food source The sea as a source of food and raw materials, food chains   Overview of the subject areas     The goals | Primary level | Secondary level II | Chronicle |