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Consider the following statements.
- Sometimes record-high temperatures observed globally can be due to underwater volcanic eruption.
- Most volcanic eruptions release a significant amount of water vapour and Sulfur dioxide into the stratosphere, which is a natural greenhouse gas that traps heat.
- Tonga island is part of a volcanic arc formed due to the subduction of the Pacific Plate under the Indo-Australian Plate.
How many of the above statements is/are correct?
- a)Only one
- b)Only two
- c)All three
- d)None
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements. Sometimes record-high temperatures ...
Statement 2 is incorrect.
- In 2023, record-high temperatures have been observed globally. Scientists attribute this unusual heat to various factors, including an underwater volcanic eruption off Tonga in the South Pacific in January 2022.
- While most volcanic eruptions typically cool the planetdue to sun-dimming particles, this eruption released a significant amount of water vapour and Sulfur dioxide into the stratosphere, a natural greenhouse gas that traps heat.
- The volcano is located in the Tonga island of the South Pacific Ocean. It is part of the Tonga–Kermadec Islands volcanic arcformed due to the subduction of the Pacific Plate under the Indo-Australian Plate.
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Community Answer
Consider the following statements. Sometimes record-high temperatures ...
Statement 1: Sometimes record-high temperatures observed globally can be due to underwater volcanic eruption.
This statement is incorrect. While volcanic eruptions can release large amounts of heat and gases into the atmosphere, underwater volcanic eruptions do not directly contribute to record-high temperatures observed globally. The primary reason for global temperature variations is the concentration of greenhouse gases in the atmosphere, such as carbon dioxide and methane.
Statement 2: Most volcanic eruptions release a significant amount of water vapor and sulfur dioxide into the stratosphere, which is a natural greenhouse gas that traps heat.
This statement is correct. Volcanic eruptions can release a substantial amount of water vapor and sulfur dioxide into the atmosphere. Sulfur dioxide can be converted into sulfate aerosols, which reflect sunlight back into space, cooling the Earth's surface. However, water vapor and sulfur dioxide are not long-lasting greenhouse gases like carbon dioxide. Their effects on global temperatures are temporary and localized.
Statement 3: Tonga island is part of a volcanic arc formed due to the subduction of the Pacific Plate under the Indo-Australian Plate.
This statement is correct. Tonga is located in the southwestern Pacific Ocean and is part of the Tonga-Kermadec volcanic arc. This arc is formed due to the subduction of the Pacific Plate beneath the Indo-Australian Plate. Subduction occurs when one tectonic plate slides beneath another, leading to volcanic activity and the formation of volcanic arcs.
In conclusion, out of the three given statements:
- Statement 1 is incorrect.
- Statement 2 is correct.
- Statement 3 is correct.
Therefore, the correct answer is option B, which states that only two of the statements are correct.
This statement is incorrect. While volcanic eruptions can release large amounts of heat and gases into the atmosphere, underwater volcanic eruptions do not directly contribute to record-high temperatures observed globally. The primary reason for global temperature variations is the concentration of greenhouse gases in the atmosphere, such as carbon dioxide and methane.
Statement 2: Most volcanic eruptions release a significant amount of water vapor and sulfur dioxide into the stratosphere, which is a natural greenhouse gas that traps heat.
This statement is correct. Volcanic eruptions can release a substantial amount of water vapor and sulfur dioxide into the atmosphere. Sulfur dioxide can be converted into sulfate aerosols, which reflect sunlight back into space, cooling the Earth's surface. However, water vapor and sulfur dioxide are not long-lasting greenhouse gases like carbon dioxide. Their effects on global temperatures are temporary and localized.
Statement 3: Tonga island is part of a volcanic arc formed due to the subduction of the Pacific Plate under the Indo-Australian Plate.
This statement is correct. Tonga is located in the southwestern Pacific Ocean and is part of the Tonga-Kermadec volcanic arc. This arc is formed due to the subduction of the Pacific Plate beneath the Indo-Australian Plate. Subduction occurs when one tectonic plate slides beneath another, leading to volcanic activity and the formation of volcanic arcs.
In conclusion, out of the three given statements:
- Statement 1 is incorrect.
- Statement 2 is correct.
- Statement 3 is correct.
Therefore, the correct answer is option B, which states that only two of the statements are correct.
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Consider the following statements. Sometimes record-high temperatures observed globally can be due to underwater volcanic eruption. Most volcanic eruptions release a significant amount of water vapour and Sulfur dioxide into the stratosphere, which is a natural greenhouse gas that traps heat. Tonga island is part of a volcanic arc formed due to the subduction of the Pacific Plate under the Indo-Australian Plate.How many of the above statements is/are correct?a)Only oneb)Only twoc)All threed)NoneCorrect answer is option 'B'. Can you explain this answer?
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Consider the following statements. Sometimes record-high temperatures observed globally can be due to underwater volcanic eruption. Most volcanic eruptions release a significant amount of water vapour and Sulfur dioxide into the stratosphere, which is a natural greenhouse gas that traps heat. Tonga island is part of a volcanic arc formed due to the subduction of the Pacific Plate under the Indo-Australian Plate.How many of the above statements is/are correct?a)Only oneb)Only twoc)All threed)NoneCorrect answer is option 'B'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements. Sometimes record-high temperatures observed globally can be due to underwater volcanic eruption. Most volcanic eruptions release a significant amount of water vapour and Sulfur dioxide into the stratosphere, which is a natural greenhouse gas that traps heat. Tonga island is part of a volcanic arc formed due to the subduction of the Pacific Plate under the Indo-Australian Plate.How many of the above statements is/are correct?a)Only oneb)Only twoc)All threed)NoneCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements. Sometimes record-high temperatures observed globally can be due to underwater volcanic eruption. Most volcanic eruptions release a significant amount of water vapour and Sulfur dioxide into the stratosphere, which is a natural greenhouse gas that traps heat. Tonga island is part of a volcanic arc formed due to the subduction of the Pacific Plate under the Indo-Australian Plate.How many of the above statements is/are correct?a)Only oneb)Only twoc)All threed)NoneCorrect answer is option 'B'. Can you explain this answer?.
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