Ecology: task 0004
Replenishment date: 08.09.2014
Content: ekology_zadacha4.doc (35.5 KB)
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Description
Estimate the term of depletion of a natural resource if the level of resource extraction in the current year is known, and resource consumption in subsequent years will increase at a given rate of growth in annual consumption.
The data for solving the problem are given in the table.
Natural resource: lead
Stock, billion tons: 0,15
Production, billion tons / year: 0,04
Consumption growth,% (per year): 2,2
The data for solving the problem are given in the table.
Natural resource: lead
Stock, billion tons: 0,15
Production, billion tons / year: 0,04
Consumption growth,% (per year): 2,2
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