Anthropogenic

1. Caused by or influenced by human activities. 2. Describing a conversion factor used to calculate a dose or concentration affecting a human that has been derived from data ...

anthropogenic

Energy; Coal; Natural gas; Petrol

Made or generated by a human or caused by human activity. The term is used in the context of global climate change to refer to gaseous emissions that are the result of human ...

Charles

Chemistry; Atmospheric chemistry

French scientist who formulated Charles's law in 1787. He was the first person to fill a large balloon with hydrogen gas, making it light enough to fly.

carbon cycle

Chemistry; Atmospheric chemistry

The process by which carbon is constantly exchanged between living things and the environments. Plants and algae absorb carbon.

diffusion

Chemistry; Atmospheric chemistry

The tendency of two substances that are mixed together to move around until both substances are in all parts of the mixture.

fog

Weather; Atmospheric chemistry

Tiny drops of water floating in the air close to the surface of the Earth. Fog is actually a cloud that has formed near the ground.

freeze

Chemistry; Atmospheric chemistry

To change from a liquid to a solid by cooling to the freezing point. Water becomes ice when it freezes.

smoke

Chemistry; Atmospheric chemistry

A mixture of carbon dioxide, water vapour, gases, and often soot that is produced by the burning of a material that contains carbon.

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Industry/Domain: Computer Category: Tablet PC

IPad Mini

A small 7-inch tablet that is rumoured to launch by Apple during the 3rd quarter of 2012. A Chinese website claims that the new mini iPad tablet is ...