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प्रश्न
Explain this term associated with rocks: Fossil fuels
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उत्तर
These are the fuels accumulated between two impermeable layers of the sedimentary rocks, e.g. peat, coal and petroleum etc.
संबंधित प्रश्न
Rocks and minerals play a very important role in our lives.
Can you imagine modern life without minerals?
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
Fill in the blank
Sedimentary rocks such as limestone change into ___________.
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
Classify the following rocks by selecting the correct option given below:
shale
What are metamorphic rocks?
What is Geology?
Explain this term associated with rocks: Metamorphism
How are sedimentary and igneous rocks formed?
Classify the following rock: Gneiss
Give one word for the following.
The upper part of lithosphere, which is rich in silica and aluminium.
Why are Sedimentary rocks called the Secondary rocks?
How is Plutonic rock formed?
______ is known as the primary rocks.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
The word ‘Igneous’ is derived from the ______ word.
______ rocks are also called Primary rocks.
Out of 2,000 different types, only ______ are the basic minerals commonly found all over the earth.
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.
