Gem quality diamond is used in jewelry, and industrial diamonds are used in drilling, cutting and polishing tools for machining metals and stone.PAHs seem to have been formed a couple of billion years after the Big Bang, are widespread throughout the universe, and are associated with new stars and exoplanets.Carbon Cycle Steps | Love To Know - Photosynthesis is an important part of the carbon cycle.
 Some meteorites contain microscopic diamonds that were formed when the solar system was still a protoplanetary disk.
The crystallographic structure and mechanical properties of the fiber depend on the type of starting material, and on the subsequent processing.
Carbon can form very long chains of interconnecting carbon–carbon bonds, a property that is called catenation.
In combination with oxygen in carbon dioxide, carbon is found in the Earth s atmosphere (approximately 810gigatonnes of carbon) and dissolved in all water bodies (approximately 36,000gigatonnes of carbon). Traduction dating français | Dictionnaire anglais | Reverso - dating francais, dictionnaire Anglais - Francais, définition, voir aussi 'dating agency',dating service',carbon dating',radiocarbon dating', conjugaison ...
Carbon is used in chemical reduction at high temperatures.
Through catenation, carbon forms a countless number of compounds. Natural diamonds occur in the rock kimberlite, found in ancient volcanic necks , or pipes.
Good quality flakes can be processed into expandable graphite for many uses, such as flame retardants.
Around 1,900gigatonnes of carbon are present in the biosphere.
7k J/mol, are much higher than those of the heavier group 14 elements carbon dating service.