any natural material used by humans (air, soil, minerals, water, oil, plants, animals)

a natural resource that can be replaced at the same rate at which it is used (solar energy, water, wind, plants)

a natural resource that cannot be used up by human activities (sun, wind)

a natural resource that forms at a rate that is much slower than the rate at which it is used (fossil fuels, rocks, minerals)

nonrenewable resources formed from the buried remains of plants and animals that lived long ago

a natural resource that is used by humans to make objects or to make food or drink

a natural resource that humans use to generate energy

a natural resource such as rock, minerals, soil, and fossil fuels

cut and polished minerals with bright luster (the way in which minerals reflect light) and that are not easily scratched

What properties of minerals allow them to be used as gemstones such as diamonds?

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