MCQOPTIONS
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MCQOPTIONS
| 1. |
Which is the most dominant constituent of igneous rock? |
| A. | Al<sub>2</sub>O<sub>3</sub> |
| B. | SiO<sub>2</sub> |
| C. | CaCO<sub>3</sub> |
| D. | CaO |
| Answer» C. CaCO<sub>3</sub> | |