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प्रश्न
Fill in the blanks
______ rocks are formed by the deposition of shells and skeletons of organism.
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उत्तर
Organically formed sedimentary rocks are formed by the deposition of shells and skeletons of organism.
संबंधित प्रश्न
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
Fill in the blank
Granite is an example of intrusive ________ rocks.
What are metamorphic rocks?
State two characteristics of Basic Igneous Rocks.
Which rocks are associated with ores of metals?
Give two examples of sedimentary rocks.
Give two examples of metamorphic rocks.
Explain this term associated with rocks: Fossil fuels
Distinguish between the following:
Sills and Dykes.
What are the causes of metamorphism?
Name the main types of rocks.
Classify the following rock: Graphite
Give one word for the following.
Stratified rock formed organically but from vegetative matter-swamps and forests.
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
Why are Sedimentary rocks called the Secondary rocks?
Give reasons for the following
Silicates are the most common rock forming minerals.
Oldest Sedimentary rocks of the world has been identified in Green land.
Explain the type of Igneous Rocks.
What is thermal metamorphism?
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
