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प्रश्न
Name any three elements of the earth’s crust.
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उत्तर
These are silicon, aluminum, iron, magnesium, calcium, potassium, sodium, and nickel.
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संबंधित प्रश्न
Fill in the blank
Sedimentary rocks such as limestone change into ___________.
What is crust?
What is the difference between the inner and the outer core?
Classify the following rocks by selecting the correct option given below:
Gneiss
Classify the following rocks by selecting the correct option given below:
coal
Name two important landforms made by Igneous Rocks.
Which agents are responsible for deposition of sediments?
Explain this term associated with rocks: Fossil fuels
What is meant by the term ‘metamorphism’?
Classify the following rock: Gneiss
Give one word for the following.
The core of the earth occupied by rock in iron and nickel.
Fill in the blanks
The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
Give one term for the following statement:
Sheet like body of igneous rock.
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.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
