Examlex
Write the first four terms of the sequence whose general term is given.
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Sulphuric Acid
A highly corrosive strong mineral acid with the molecular formula H2SO4, used in a wide variety of industrial processes.
Acid Deposition
The falling of acids and acid-forming compounds from the atmosphere to the Earth's surface, often as rain, snow, or dust, having harmful effects on ecosystems, structures, and human health.
Tar Sand Oil
A viscous form of petroleum found in sand deposits, which requires intensive extraction and processing methods.
Coal-Burning
The process of combusting coal to produce energy, resulting in the generation of carbon dioxide and other pollutants that contribute to air pollution and climate change.
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