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From where do the gems used in jewelry come?
They are nonmetallic minerals.
They are metallic ore.
They are nonmetallic silicates.
They are metallic minerals.
Answers: 1
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Which direction does the energy flow in this energy pyramid ?
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In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?
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From where do the gems used in jewelry come?
They are nonmetallic minerals.
They are me...
They are me...
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