What causes volcanoes The Formation of Magma
{"Image DocumentName": "What causes volcanoes? The Formation of Magma", "Image ImageDescription": "Mantle rock melts when the temperature increases. or the pressure decreases. There are lots of uncertainties about why volcanoes form, because scientists have to rely on models based on rock samples and other data.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}