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Which of the following materials is a mineral

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Reference no: EM132020756

Multiple Choice/ Choose one

1) Which of the following materials IS a mineral.

- sugar

- glass

-ice

- coal

2) Which of the following statements about phosphorus is FALSE?

- Phosphorus is an essential nutrient for all life.

- Most phosphate reserves are found in sedimentary rocks.

- Anthropogenic (i.e., human) activity has disrupted the natural phosphorus cycle.

- Phosphorus is one of the most abundant elements in Earth's crust.

3)Which of the following is NOT a use of the rare earth elements (REEs)?

-fluorescent light bulbs

- agriculture

- automotive catalytic converters

- Magnets

4)Which of the following rare earth elements is of greatest importance to clean energy technologies, but also has the highest medium term supply risk?

- europium

- lanthanum

- samarium

- dysprosium

5) Which of the following statements is FALSE?

- Rare earth elements and REE resources are relatively common, but REE reserves are far more rare.

-The chemical similarity of the REEs makes processing and separating them extremely challening and expensive.

- The United States is the dominant REE producing nation in the world.

- REE deposits are commonly associated with laterite soils, and less commonly in sedimentary placer or igneous deposits.

Reference no: EM132020756

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