organic material
111History of the Earth — For the history of modern humans, see History of the world. Geological time put in a diagram called a geological clock, showing the relative lengths of the eons of the Earth s history The history of the Earth describes the most important events… …
112Vermicompost — (also called worm compost, vermicast, worm castings, worm humus or worm manure) is the end product of the breakdown of organic matter by some species of earthworm. Vermicompost is a nutrient rich, organic fertilizer and soil conditioner. The… …
113climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
114metabolism — /meuh tab euh liz euhm/, n. 1. Biol., Physiol. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Cf. anabolism, catabolism …
115Carbon sink — A carbon sink is reservoir of carbon that accumulates and stores carbon for an indefinite period. The main natural sinks are: # Absorption of carbon dioxide by the oceans # Photosynthesis by plants and algae The process by which carbon sinks… …
116Kerogen — is a mixture of organic chemical compounds that make up a portion of the organic matter in sedimentary rocks. [ [http://www.glossary.oilfield.slb.com/Display.cfm?Term=kerogen Oilfield Glossary] ] It is insoluble in normal organic solvents because …
117Histosol — In both the FAO soil classification and the USA soil taxonomy, a histosol is a soil comprised primarily of organic materials. They are defined as containing at least 20 percent organic material to a depth of 40 centimetres. Typically, histosols… …
118Waste management — is the collection, transport, processing, recycling or disposal of waste materials. The term usually relates to materials produced by human activity, and is generally undertaken to reduce their effect on health, the environment or aesthetics.… …
119Wastewater — For the lake in Northwestern England, see Wastwater. Public infrastructure …
120Gasification — This article is about the process. For the water carbonator, see Gasogene. For the automobile device, see Wood gas generator. Sustainable energy …
