coal PMC
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Coal tar — is a brown or black liquid of extremely high viscosity, which smells of naphthalene and aromatic hydrocarbons. Coal tar is among the by products when coal is carbonized to make coke or gasified to make coal gas. Coal tars are complex and variable … Wikipedia
Miners' Lung: A History of Dust Disease in British Coal Mining — Miners’ Lung: A History of Dust Disease in British Coal Mining by Arthur McIvor and Ronald Johnston is a 2007 book (ISBN 978 0 7546 3673 1) which is part of the Studies in Labour History series. The book argues that British coal mining is the… … Wikipedia
Permian–Triassic extinction event — … Wikipedia
Carbon monoxide poisoning — This article is about carbon monoxide poisoning. For general information on carbon monoxide, see carbon monoxide. Carbon monoxide poisoning Classification and external resources Spacefilling model of a carbon monoxide molecule … Wikipedia
Greenhouse gas — Simple diagram of greenhouse effect. A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect.[1] … Wikipedia
Plant — For other uses, see Plant (disambiguation). Plants Temporal range: Early Cambrian to recent, but see text, 520–0 Ma … Wikipedia
Creosote — For other uses, see Creosote (disambiguation). Creosote is the portion of chemical products obtained by the distillation of a tar that remains heavier than water, notably useful for its anti septic and preservative properties.[1] It is produced… … Wikipedia
Chronic obstructive pulmonary disease — Classification and external resources Gross pathology of a lung showing centrilobular type emphysema characteristic of smoking. This close up of the fixed, cut lung surface shows multiple cavit … Wikipedia
Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn … Wikipedia
Mutagen — In genetics, a mutagen (Latin, literally origin of change) is a physical or chemical agent that changes the genetic material, usually DNA, of an organism and thus increases the frequency of mutations above the natural background level. As many… … Wikipedia
Water fluoridation — Fluoridation does not affect the appearance, taste or smell of drinking water.[1] Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water has flu … Wikipedia
