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Skulls

victoriousvocabulary:

BIODEGRADATION

[noun]

or biotic degradation or biotic decomposition - the chemical dissolution of materials by bacteria or other biological means. The term is often used in relation to ecology, waste management, biomedicine, and the natural environment (bioremediation) and is now commonly associated with environmentally friendly products that are capable of decomposing back into natural elements. Organic material can be degraded aerobically with oxygen, or anaerobically, without oxygen. Biodegradable matter is generally organic material such as plant and animal matter and other substances originating from living organisms, or artificial materials that are similar enough to plant and animal matter to be put to use by microorganisms.

[Scott Scheidly]

(via captanarchy)

— 2 years ago with 110 notes
#skull  #skulls  #art  #human skull  #flowers  #butterfly  #ants  #biodegradation