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Question
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
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Solution
Basic igneous rock contain a low percentage of silica and a high percentage of basic oxides.
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Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
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Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
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| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
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| Group A | Group B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
