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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
Write True or False. Rewrite the false statement correctly :
Basalt is an example of an intrusive igneous rock.
What is the difference between the inner and the outer core?
What are metamorphic rocks?
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.
Distinguish between the following pair:
Degradation and aggradation
Describe the process that leads to exfoliation.
Name two important landforms made by Igneous Rocks.
What are known as metamorphic rocks?
What is meant by a rock?
Classify the following rock: Loess
Give reasons for the following
Man’s habitat is the biosphere and not the lithosphere in the true sense.
Distinguish between Intrusive and Extrusive Rocks
Which one of the following is the most widespread most and productive category of soil.
Volcanic mountains are covered with sedimentary rocks.
Choose the incorrect statement from the following.
______ rocks are also known as stratified rocks.
Why are crystalline rocks called so?
Match the following:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
