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Question
Give one word for the following.
Rocks formed by the cooling and solidification of molten rock from beneath the earth crust.
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Solution
Igneous rocks
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Igneous and sedimentary rocks can change into metamorphic rocks.
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| Group A | Group B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
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| D. | Gneiss | 4. | Sedimentary rock |
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| A. | Granite | 1. | Bed rock |
| B. | Soil layer | 2. | Plutonic rock |
| C. |
Barren island |
3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
