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Questions and Answers
Which of the following is the correct definition of an economic mineral?
Which of the following is the correct definition of an economic mineral?
- A natural substance with distinctive chemical and physical properties
- A substance that is vital for economic, social, and technological development
- A substance extracted from the earth by mining, quarrying, and pumping
- A substance used in a wide range of applications related to construction, manufacturing, agriculture, and energy supply (correct)
Which metal is used for electrical conductors, motors, appliances, piping, and in metal alloys?
Which metal is used for electrical conductors, motors, appliances, piping, and in metal alloys?
- Gold
- Iron
- Copper (correct)
- Aluminum
Which high-tech applications does gold have?
Which high-tech applications does gold have?
- Computers and scientific instruments
- Fire fighter face shields and building windows
- Medical and dental equipment
- All of the above (correct)
Which mineral is used in the face shields of fire fighters to reflect the heat of a fire?
Which mineral is used in the face shields of fire fighters to reflect the heat of a fire?
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What are minerals considered to be in our daily lives?
What are minerals considered to be in our daily lives?
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