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The environment database and a glossary about facts, terms and descriptions

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Glossary M

The Environmental Glossary. Letter M +++ Popular Articles: 'Maximum mid-expiratory flow rate', 'Mass', 'Maintenance'

Methyl bromide

A methyl bromide is the gaseous compound CH3Br used primarily as an insect fumigant; found to be harmful to the stratospheric ozone layer which protects life on earth from excessive ultraviolet radiation.

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Methyl bromide (CH3Br)

A Methyl bromide (CH3Br) is an effective pesticide; used to fumigate soil and many agricultural products. Because it contains bromine, it depletes stratospheric ozone when released to

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Methyl mercury

Methyl mercury is a highly toxic form of Mercury found in the environment; CH3-Hg.

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Metric

Deutsch: Metrisch / Español: Métrico / Português: Métrico / Français: Métrique / Italiano: Metrico /

A Metric is a calculated term or enumeration representing some aspect of biological assemblage, function, or other measurable aspect and is a Characteristic of the Biota that changes in some predictable way with increased human influence. A multimetric approach involves combinations of metrics to provide an integrative assessment of the status of aquatic resources.

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Metric Ton

A Metric Ton is Common international measurement for the quantity of greenhouse gas emissions. A Metric Ton

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Metropole

Deutsch: Metropole / Español: Madre patria

Metropole is a term used in the context of the environment to refer to a large, densely populated urban area, typically the core city or cities of a metropolitan region. It is characterized by its significant human activities, infrastructure, and economic functions. Metropoles often serve as hubs of commerce, culture, and innovation, playing a crucial role in shaping the surrounding region and impacting the environment in various ways.

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Metropolitan Area (MA)

A Metropolitan Area (MA) is the US Census defines a MA as a Core area containing a large population nucleus, together with adjacent communities that have a high degree of economic and

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Metropolitan Statistical Area

A Metropolitan Statistical Area (MSA) is a geographic entity defined by the federal Office of management and Budget for use by federal statistical agencies, based on the concept of a core area with a large population nucleus, plus adjacent communities having a high degree of economic and social integration with that core.

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Mg(2+)

Mg(2+) is Magnesium; a Base Cation that helps to reduce acidification
Mineral weathering
The physical and chemical breakdown of rocks that releases ions such as calcium and Aluminium.

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Microbes (microorganisms)

- Microbes (microorganisms) : A Microbes (microorganisms) is Tiny living organisms that can only be seen with the aid of a microscope. Some microbes can cause Acute health problems when consumed (see pathogens).

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