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Consider the following statements regarding the earth's crust:
1. Oceanic crust is thicker when compared to continental crust.
2. Oceanic crust is made up of basaltic rock.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Consider the following statements regarding the earths crust:1. Oceani...
- The Crust is the outermost solid part of the earth. It is brittle in nature. The thickness of the crust varies under the oceanic and continental areas.
- Oceanic crust is thinner as compared to the continental crust. The mean thickness of oceanic crust is 5 km whereas that of the continental is around 30 km. Hence statement 1 is not correct.
- The continental crust is thicker in the areas of major mountain systems. It is as much as 70 km thick in the Himalayan region.
- It is made up of heavier rocks having density of 3 g/cm3. This type of rock found in the oceanic crust is basaltic. The mean density of material in oceanic crust is 2.7g/cm3. Hence statement 2 is correct.
Most Upvoted Answer
Consider the following statements regarding the earths crust:1. Oceani...
Explanation:
Oceanic crust and continental crust are two different types of crust that make up the Earth's outer layer. Let's break down the statements provided in the question:
1. Oceanic crust is thicker when compared to continental crust:
- This statement is incorrect. In reality, oceanic crust is thinner and denser compared to continental crust. Oceanic crust is typically around 5-10 km thick, while continental crust can be as thick as 30-50 km.
2. Oceanic crust is made up of basaltic rock:
- This statement is correct. Oceanic crust is primarily composed of basaltic rock, which is formed from solidified lava that has erupted from underwater volcanoes along mid-ocean ridges. Basalt is dark in color and has a fine-grained texture.
In conclusion, the correct statement is 2 only. Oceanic crust is indeed made up of basaltic rock, but it is thinner, not thicker, than continental crust.
Oceanic crust and continental crust are two different types of crust that make up the Earth's outer layer. Let's break down the statements provided in the question:
1. Oceanic crust is thicker when compared to continental crust:
- This statement is incorrect. In reality, oceanic crust is thinner and denser compared to continental crust. Oceanic crust is typically around 5-10 km thick, while continental crust can be as thick as 30-50 km.
2. Oceanic crust is made up of basaltic rock:
- This statement is correct. Oceanic crust is primarily composed of basaltic rock, which is formed from solidified lava that has erupted from underwater volcanoes along mid-ocean ridges. Basalt is dark in color and has a fine-grained texture.
In conclusion, the correct statement is 2 only. Oceanic crust is indeed made up of basaltic rock, but it is thinner, not thicker, than continental crust.
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Consider the following statements regarding the earths crust:1. Oceanic crust is thicker when compared to continental crust.2. Oceanic crust is made up of basaltic rock.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer?
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Consider the following statements regarding the earths crust:1. Oceanic crust is thicker when compared to continental crust.2. Oceanic crust is made up of basaltic rock.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. 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 regarding the earths crust:1. Oceanic crust is thicker when compared to continental crust.2. Oceanic crust is made up of basaltic rock.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. 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 regarding the earths crust:1. Oceanic crust is thicker when compared to continental crust.2. Oceanic crust is made up of basaltic rock.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer?.
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