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In a multiple-server system, the ratio of the mean effective service rate for the system to the arrival rate to the system must be greater than 1 for customers to be served in a reasonable time.
Damaged Ecosystem
An ecosystem that has been harmed or altered by environmental stresses, human activities, or natural disasters, leading to reduced biodiversity and ecological function.
Breeding Programs
Structured plans designed to manage the reproduction of organisms to achieve specific genetic and population goals.
Renewable Resources
Resources that can be replenished naturally over time, such as solar energy, wind, and biomass.
Nonrenewable Resources
Natural resources that cannot be replenished or replaced within a human lifespan, such as fossil fuels and minerals.
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