Geography 2153A/B Lecture Notes - Lecture 3: Indicator Species, Interspecific Competition, Competitive Exclusion Principle
6 Dec 2013
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Matter: 2 chemical forms: i) elements; ii) compounds- (organic and inorganic) the earth is a closed system for matter, which is of both high quality and. Low quality matter: little potential use as a resource; it is either dispersed or diluted (in oceans or atmospheres) or too far underground the earth"s surface (such as coal) and has high resource potential. High quality matter: usually concentrated and organized; found at or near. Inorganic compound: metal, plastic, water, anything that doesn"t have hydrogen and oxygen in one. Low quality matter take a long time to extract. Sometimes its better to leave it there and just use high quality matter. High quality matter, it already has been processed so recycling it is very easy. You can take metal to a scrap place to get money. Some people steal copper pipes because its valuable. Earth"s gases in terms of environmental change, it is the variable gases that tend to be most important.
