MCQOPTIONS
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| 1. |
What is true of coal? |
| A. | it is present in infinite quantity is earth |
| B. | it a complex mixture of compounds of carbon,hydrogen and oxygen |
| C. | peat coal has the highest percentage of carbon |
| D. | anthracite has the lowest percentage of carbon |
| Answer» C. peat coal has the highest percentage of carbon | |