Glossary M

The Environmental Glossary. Letter M +++ 'Mineral', 'Molecule', 'Milking'
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.
- 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).
A Microclimate is a climate in a small area that varies significantly from the overall climate of a region.
A Microenvironment (ME) is a small space in which human contact with a Pollutant takes place which can be treated as a well -characterized, relatively homogenous location with respect
A Microgram: is One-millionth of a gram. One gram is about one twenty-eighth of an ounce.
Microinvertebrates are animals without backbones that are not large enough to be seen by the unaided eye; they will not be retained by a U.S. Standard No. 30 sieve (28 meshes per inch
Microorganisms are also called microbes. Very tiny life forms such as bacteria, algae, diatoms, parasites, plankton, and fungi. Some can cause disease.
A Migration is as used in the Superfund program, the movement of a contaminant; actual or potential Migration is one measure of the dangers created by a contaminant
Migration Pathways are the routes a Contaminant may move around in the environment (e.g., soil, groundwater, surface water,