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Water is a chemical compound with the chemical formula H20. A water molecule contains one hydrogen atom and two oxygen atoms. Water is a liquid at standard ambient temperature and pressure though it can be a solid (ice)in low temperatures or evaporate into water vapor a higher temperatures.

Contributors in Water


Great Barrier Reef

Natural environment; Water

The Great Barrier Reef is located in the Coral Sea, off the coast of Queensland in north-east Australia. It is the world's largest reef system composed of over 2,900 reefs and 900 islands and is one ...

Victoria Falls

Natural environment; Water

The Victoria Falls, also known as Mosi-oa-Tunya, is a waterfall located in southern Africa on the Zambezi River between the countries of Zambia and Zimbabwe. It is one of the seven natural wonders of ...

Diaoyu islands

Natural environment; Water

Diaoyu islands and the islets located in its vicinity has been the source of disputes between Japan and China for a long period of time. The Diaoyu islands are composed of seven islets that cover a ...

subterranean Amazon

Natural environment; Water

The underground river that flows 13,000ft below ground directly beneath the Amazon river on the surface. Measuring 3,700 miles long, the Amazon river is the second longest in the world, shorter only ...

cumulative ecological risk assessment

Natural environment; Water

Consideration of the total ecological risk from multiple stressors to a given eco-zone.

cumulative exposure

Natural environment; Water

The sum of exposures of an organism to a pollutant over a period of time.

cumulative working level months (CWLM)

Natural environment; Water

The sum of lifetime exposure to radon working levels expressed in total working level months.

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