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көмірсутек
Compounds containing various combinations of hydrogen and carbon atoms. They may be emitted into the air by natural sources (e.g., trees) and as a result of fossil and vegetative fuel combustion, fuel volatilization, and solvent use. Hydrocarbons are a major contributor to smog.
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A three-time Academy Awards winner, Elizabeth Taylor is an English-American film legend. Beginning as a child star, she is known for her acting talent ...
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