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प्रश्न
Write True or False. Rewrite the false statement correctly :
Rocks are used in construction industries.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
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.
How are chemically-formed sedimentary rocks formed? Give examples.
Distinguish between Thermal metamorphism and Dynamic metamorphism.
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
Why fossils are preserved in Sedimentary and not in Igneous rocks?
______ is known as the primary rocks.
Minerals exist in nature ¡n the form of ______ or ______.
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.
