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| Description: Earth’s Natural Resources: Renewable resources: 1. Perpetually available: sunlight, wind, wave energy 2. Renew themselves over short periods: timber, water, soil - can be overharvested Resource management: 1. Balancing the use of a resource with its protection and preservation 2. The stock is the harvestable portion of the resource Nonrenewable resources: finite supply; can be depleted 1. Oil, coal, minerals 2. Will not be available because they will not be replenished on a humanly accessible time scale Picture Stats: Views: 243 Filesize: 142.94kB Height: 797 Width: 1375 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35588 |