Ancient ocean temperatures are most commonly reconstructed by analyzing the ratio of different oxygen atoms in the calcium carbonate remains of fossils. However, this presents many challenges, including a combination of biological ...
Earth Sciences
Aug 1, 2024
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A research team has developed a technology to decompose refrigerants, a greenhouse gas 1,300 times more potent than carbon dioxide, using challenging-to-handle industrial waste.
Analytical Chemistry
Jul 22, 2024
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In the deepest parts of the ocean, below 4,000 meters, the combination of high pressure and low temperature creates conditions that dissolve calcium carbonate, the material marine animals use to make their shells.
Earth Sciences
Jul 9, 2024
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Calcium carbonate is a chemical compound with the chemical formula CaCO3. It is a common substance found in rock in all parts of the world, and is the main component of shells of marine organisms, snails, pearls, and eggshells. Calcium carbonate is the active ingredient in agricultural lime, and is usually the principal cause of hard water. It is commonly used medicinally as a calcium supplement or as an antacid, but high consumption can be hazardous.
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