ores a mineral is called an ore if it contains enough of a useful substance that it can be sold for profit
{"Image DocumentName": "Ores A mineral is called an ore if it contains enough of a useful substance that it can be sold for profit.", "Image ImageDescription": "Many metals that we use come from ores. Iron used to make steel. Lead used to make batteries. Magnesium in vitamins. Extracted from Earth\u2019s surface by mining.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}