Examlex
Radioactive substances that emit positrons are used in ________ scans.
Weathered
The breakdown of rocks, soils, and minerals through contact with the Earth's atmosphere, water, and biological organisms.
Diamonds
Diamonds are a form of carbon arranged in a crystal structure, known to be the hardest natural material, widely used in jewelry and industrial applications.
Pegmatite Crystals
Exceptionally large crystals that form within pegmatite rock, a very coarse-grained igneous rock, often found in cavities that allow for their unobstructed development.
Hot Waters
Water that has been heated naturally or artificially, often found in geothermal springs or produced by water heating systems.
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