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Water

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

Water

kelp beds

Natural environment; Water

significant aggregations of a large, fast growing marine algae throughout the water column.

product water

Natural environment; Water

Water that has passed through a water treatment plant and is ready to be delivered to consumers.

toxicity test

Natural environment; Water

the means to determine the toxicity of a chemical or an effluent using living organisms. A toxicity test measures the degree of response of an exposed test organism to a specified chemical or ...

biofilm

Natural environment; Water

Population of various microrganisms, trapped in a layer of slime and excretion products, attached to a surface.

epilimnion

Natural environment; Water

Upper waters of a thermally stratified lake subject to wind action.

key habitats

Natural environment; Water

flow-sensitive habitats as well as habitats that support key species.

profundal zone

Natural environment; Water

a lake's deep-water region that is not penetrated by sunlight.

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