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Consider the following statements:
1. Immediately beneath the crust or lithosphere is the mantle which is composed mainly of very dense rocks rich in olivine
2. The interior layer is the core, is made up mainly of iron with some nickel.
Which of these statements is/are correct?
- a)1 only
- b)2 only
- c)Both of them
- d)Neither of them
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements:1. Immediately beneath the crust or...
- Starting at the centre, Earth is composed of four distinct layers.
- They are, from deepest to shallowest, the inner core, the outer core, the mantle and the crust.
- Except for the crust, no one has ever explored these layers in person.
- It is made mostly of iron and nickel, It is extremely dense, The inner core spins a bit faster than the rest of the planet. It’s also intensely hot: Temperatures sizzle at 5,400° Celsius.
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Consider the following statements:1. Immediately beneath the crust or...
The correct answer is option 'C', both of the statements are correct. Let's analyze each statement in detail:
1. Immediately beneath the crust or lithosphere is the mantle which is composed mainly of very dense rocks rich in olivine:
- The Earth's mantle is the layer between the crust and the core. It is mainly composed of solid rocks, rich in minerals such as olivine, pyroxene, and garnet.
- Olivine is a dense mineral that is commonly found in the upper mantle. It is a silicate mineral composed of magnesium, iron, and oxygen.
- The mantle is divided into two main regions: the upper mantle and the lower mantle. The upper mantle is closer to the crust and is composed of solid rocks, while the lower mantle is under higher pressure and temperature and is in a semi-solid or viscous state.
2. The interior layer is the core, made up mainly of iron with some nickel:
- The Earth's core is the innermost layer and is divided into two parts: the outer core and the inner core.
- The outer core is a liquid layer composed mainly of molten iron with some nickel. It surrounds the inner core and is responsible for generating Earth's magnetic field through the movement of molten iron.
- The inner core is a solid sphere composed mainly of iron and nickel. It is under extremely high pressure and temperature, which keeps it in a solid state, despite being composed of molten materials.
In summary, the given statements accurately describe the composition and structure of the Earth's interior. The mantle is composed of dense rocks rich in olivine, while the core is made up mainly of iron with some nickel. Therefore, option 'C' is the correct answer.
1. Immediately beneath the crust or lithosphere is the mantle which is composed mainly of very dense rocks rich in olivine:
- The Earth's mantle is the layer between the crust and the core. It is mainly composed of solid rocks, rich in minerals such as olivine, pyroxene, and garnet.
- Olivine is a dense mineral that is commonly found in the upper mantle. It is a silicate mineral composed of magnesium, iron, and oxygen.
- The mantle is divided into two main regions: the upper mantle and the lower mantle. The upper mantle is closer to the crust and is composed of solid rocks, while the lower mantle is under higher pressure and temperature and is in a semi-solid or viscous state.
2. The interior layer is the core, made up mainly of iron with some nickel:
- The Earth's core is the innermost layer and is divided into two parts: the outer core and the inner core.
- The outer core is a liquid layer composed mainly of molten iron with some nickel. It surrounds the inner core and is responsible for generating Earth's magnetic field through the movement of molten iron.
- The inner core is a solid sphere composed mainly of iron and nickel. It is under extremely high pressure and temperature, which keeps it in a solid state, despite being composed of molten materials.
In summary, the given statements accurately describe the composition and structure of the Earth's interior. The mantle is composed of dense rocks rich in olivine, while the core is made up mainly of iron with some nickel. Therefore, option 'C' is the correct answer.
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Consider the following statements:1. Immediately beneath the crust or lithosphere is the mantle which is composed mainly of very dense rocks rich in olivine2. The interior layer is the core, is made up mainly of iron with some nickel.Which of these statements is/are correct?a) 1 onlyb) 2 onlyc) Both of themd) Neither of themCorrect answer is option 'C'. Can you explain this answer?
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Consider the following statements:1. Immediately beneath the crust or lithosphere is the mantle which is composed mainly of very dense rocks rich in olivine2. The interior layer is the core, is made up mainly of iron with some nickel.Which of these statements is/are correct?a) 1 onlyb) 2 onlyc) Both of themd) Neither of themCorrect answer is option 'C'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements:1. Immediately beneath the crust or lithosphere is the mantle which is composed mainly of very dense rocks rich in olivine2. The interior layer is the core, is made up mainly of iron with some nickel.Which of these statements is/are correct?a) 1 onlyb) 2 onlyc) Both of themd) Neither of themCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements:1. Immediately beneath the crust or lithosphere is the mantle which is composed mainly of very dense rocks rich in olivine2. The interior layer is the core, is made up mainly of iron with some nickel.Which of these statements is/are correct?a) 1 onlyb) 2 onlyc) Both of themd) Neither of themCorrect answer is option 'C'. Can you explain this answer?.
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