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प्रश्न
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
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उत्तर
The following problems may exist:
- Human life will come to an end, as soil is essential for food production and if rocks diminished, it would lead to non¬availability of soil.
- Mineral-based manufacturing industries will also come to an end.
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संबंधित प्रश्न
Discuss the importance of rocks for the construction business.
Classify the following rocks by selecting the correct option given below:
sandstone
How are igneous rocks classified on the basis of their chemical composition?
Give one word for the following.
The outer layer of the earth.
Give one word for the following.
Stratified rock formed organically but from vegetative matter-swamps and forests.
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
Igneous Rocks are ______ rocks.
The oldest sedimentary rocks of the world have been identified in ______.
Explain the different types of sedimentary rocks.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
