Natural Resource, natural material that is used by humans, Renewable, replaced relatively quickly by natural processes, Nonrenewable, forms at a much slower rate than the rate that it is consumed., Resource Depletion, when a large fraction of a resource has been used up., Pollution, bad change in air, water or soil that adversely affects the health, survival, or activities of humans or other organisms, Biodiversity, number and variety of species that live in an area., Extinct, no longer in existence, Developed Countries, have higher income, slower population growth, Developing Countries, lower income, rapid population growth., All environmental problems, large population and misuse of resources

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