1. earth has only a limited amount of land, yet land is a renewable resource, why?

2. trees are renewable resources, but some forests are not, why?
3. compare and contrast minerals and ores.
4. how could using ores contribute to an increase in air pollution?

3 answers

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[The] e[E]arth has only a limited amount of land, yet land is a renewable resource, why?
You might find this helpful
http://www.eco-pros.com/renewableresources.htm
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