Which of the following is the largest producer of copper?
| A. | Ghana |
| B. | Malaysia |
| C. | Australia |
| D. | Chile |
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Option: D Explanation : Click on Discuss to view users comments. |
Which of the following countries is the largest producer of coal?
| A. | Russia |
| B. | China |
| C. | S. Africa |
| D. | India |
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Option: B Explanation : Click on Discuss to view users comments. |
Which of the following forms of coal is the oldest?
| A. | Peat |
| B. | Lignite |
| C. | Bituminous |
| D. | Anthracite |
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Option: D Explanation : Click on Discuss to view users comments. |
