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Consider the following statements regarding the recent winter heatwave in Antarctica:
1. The primary factor contributing to the heatwave is the weakening of the polar vortex.
2. Reduced Antarctic sea ice has led to higher temperatures by absorbing more sunlight.
3. The heatwave is confined to East Antarctica, where temperatures have spiked by up to 28°C above normal.
Which of the statements given above is/are correct?
  • a)
    1 Only
  • b)
    1 and 2 Only
  • c)
    1 and 3 Only
  • d)
    1, 2 and 3
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements regarding the recent winter heatwav...
Statement 1: Correct. The primary factor contributing to the heatwave in Antarctica is indeed the weakening of the polar vortex. The polar vortex is a band of cold air and low-pressure systems that circulate around the Earth's poles in the stratosphere. When the vortex weakens, it allows warm air to infiltrate the region, leading to higher temperatures.
Statement 2: Correct. Reduced Antarctic sea ice has contributed to the heatwave by absorbing more sunlight. Sea ice typically reflects sunlight back into space, helping to keep temperatures low. With less sea ice, more sunlight is absorbed by the ocean, leading to higher temperatures.
Statement 3: Incorrect. While the statement correctly mentions that temperatures have spiked significantly in East Antarctica, the heatwave is not necessarily confined to this region alone. The description provided does not limit the heatwave's impact to East Antarctica exclusively.
Therefore, the correct answer is Option B: 1 and 2 Only.
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Consider the following statements regarding the recent winter heatwave in Antarctica:1. The primary factor contributing to the heatwave is the weakening of the polar vortex.2. Reduced Antarctic sea ice has led to higher temperatures by absorbing more sunlight.3. The heatwave is confined to East Antarctica, where temperatures have spiked by up to 28°C above normal.Which of the statements given above is/are correct?a)1 Onlyb)1 and 2 Onlyc)1 and 3 Onlyd)1, 2 and 3Correct answer is option 'B'. Can you explain this answer?
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Consider the following statements regarding the recent winter heatwave in Antarctica:1. The primary factor contributing to the heatwave is the weakening of the polar vortex.2. Reduced Antarctic sea ice has led to higher temperatures by absorbing more sunlight.3. The heatwave is confined to East Antarctica, where temperatures have spiked by up to 28°C above normal.Which of the statements given above is/are correct?a)1 Onlyb)1 and 2 Onlyc)1 and 3 Onlyd)1, 2 and 3Correct 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 regarding the recent winter heatwave in Antarctica:1. The primary factor contributing to the heatwave is the weakening of the polar vortex.2. Reduced Antarctic sea ice has led to higher temperatures by absorbing more sunlight.3. The heatwave is confined to East Antarctica, where temperatures have spiked by up to 28°C above normal.Which of the statements given above is/are correct?a)1 Onlyb)1 and 2 Onlyc)1 and 3 Onlyd)1, 2 and 3Correct 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 regarding the recent winter heatwave in Antarctica:1. The primary factor contributing to the heatwave is the weakening of the polar vortex.2. Reduced Antarctic sea ice has led to higher temperatures by absorbing more sunlight.3. The heatwave is confined to East Antarctica, where temperatures have spiked by up to 28°C above normal.Which of the statements given above is/are correct?a)1 Onlyb)1 and 2 Onlyc)1 and 3 Onlyd)1, 2 and 3Correct answer is option 'B'. Can you explain this answer?.
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