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प्रश्न
Rocks and minerals play a very important role in our lives.
Can you imagine modern life without minerals?
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उत्तर
Life without rocks and minerals would be disastrous –
Rocks are of great value to us. Some of the main benefits of- rocks are listed below :
- Soil is formed when rocks gradually break up and disintegrated by mechanical and chemical processes.
- Rocks contain a great variety of minerals that yield metals such as iron, manganese, and copper, which are important raw materials for
mineral-based manufacturing industries.
We shall face many problems if rocks and minerals get diminished.
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संबंधित प्रश्न
Classify the following rocks by selecting the correct option given below:
granite
With the help of your teacher, collect different types of rocks such as granite, sandstone, limestone, marble, slate, graphite, etc. and prepare a chart containing information about their colour, hardness, texture, and permeability.
Name two important landforms made by Igneous Rocks.
Give one term for the following statement:
Rounded or sub-rounded fragments, usually water-born cobbles, pebble and gravel, cemented together by a matrix of calcium carbonate, silica, etc.
______ is known as the primary rocks.
Mention a few specimens of magnificent rock-cut architecture in India?
How are igneous rocks formed?
Which Soils are formed by the weathering of metamorphic rocks?
Minerals exist in nature ¡n the form of ______ or ______.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
