Geography
Rina has the hobby of collecting different stones from different areas wherever she travels. Those stones are having different colour and texture. Some are hard and some are soft. What is the reason for such difference?
Rocks
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Answer
The differences in colour, texture, and hardness of the stones Rina collects are due to how the rocks were formed and the minerals they contain. Since rocks are formed through various geological processes, each type has unique properties based on its origin and composition.
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Related Questions
Which of the following is the example of metamorphic rock?
- Sandstone
- Gneiss
- Chalk
- Granite
Which of the following process is responsible for the formation of igneous rocks?
- Sedimentation
- Metamorphism
- Cooling & solidification of magma
- Lithification
Tina has been given two samples of igneous rocks. She gets a smooth feeling when touches the sample A and gets a rough feeling when she touches the sample B. How can she understand whether sample A and B are extrusive or intrusive igneous rock?
Assertion (A): Igneous rocks are called Primary rocks.
Reason (R): Igneous rocks are formed by the solidification of hot molten magma.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true and R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.