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प्रश्न
Discuss the importance of rocks for the construction business.
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उत्तर
Rocks such as marble and granite are used in construction industries. They are cut into stones and are used for building houses, dams, roads, etc. Rocks also provide raw materials such as limestone and gypsum used in the manufacturing of cement.
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संबंधित प्रश्न
Classify the following rocks by selecting the correct option given below:
basalt
State the types of rocks for the formation of which the following process is involved.
Accumulation takes place over long periods of time in seas, lakes and streams.
Classify the following rock: Gneiss
Give one term for the following statement:
Igneous rocks of deep seated origin.
Give reasons for the following
Rocks are of great economic significance.
Classify and explain the rocks.
Explain the type of Igneous Rocks.
______ are chemical substances which exist in nature.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
