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6th grade science

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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?

  • 6th grade science - ,

    You are more likely to get a response if you post one question at a time and if you have had a go at answering it your self. We are not here to do the homework for you.

    [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

  • 6th grade science - ,

    how much thermal energy produced by burning gasoline is converted ino kinetic energy?

  • 6th grade science - ,

    calculate how many grams of chloride ions are present in 50 grams of ocean salts.

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