Natural resources depletion type used include
.1) type used out, but can be treated to maintain the same, such as forest, wildlife, world population, soil fertility, water from the factory. The water in the soil, some kinds of beautiful scenery, etc., which may make the emerging you
.2) type may not be new, such as the property nature of soil, blessing heaven of human intelligence, a species of humans and bushes. Big trees, wild animals, aquatic, etc.
.3) type that could not save. When used, but also can be used to collapse completely. วัตถุเช่น is original, bring back invented new. Such as various metal zinc, copper, silver, gold, etc.
.4) type used out and back again, such as coal, oil gas, non-ferrous metals mainly, etc were used only once, it burned out. Can not be used again.
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