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प्रश्न
What is an igneous rock?
उत्तर
The igneous rocks are formed when magma cools and solidifies. Igneous rocks form out of magma and lava from the interior of the earth, therefore, they are known as primary rocks.
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संबंधित प्रश्न
Which one of the following are the two main constituents of granite?
Which one of the following is the salient feature of metamorphic rocks?
Which one of the following is not a sedimentary rock?
What do you mean by rocks?
Name the three major classes of rocks.
Describe the method of formation and characteristics of igneous rock.
What is meant by sedimentary rock?
Describe the mode of formation of sedimentary rock.
Describe the nature and mode of origin of the chief types of rock at the earth’s crust. How will you distinguish them?
Describe the types of metamorphic rock and how are they formed?
