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With reference to Black Carbon, consider the following statements:
1. It is a gaseous substance that results from the incomplete combustion of fossil fuels and biomass.
2. It remains in the atmosphere for a shorter period of time and contributes to climate change.
3. It lowers the albedo of Earth’s surface that causes temperature rise.
Q. Which of the statements given above is/are correct?
  • a)
    2 only
  • b)
    1 and 3 only
  • c)
    2 and 3 only
  • d)
    1, 2 and 3
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
With reference to Black Carbon, consider the following statements:1. I...
  • Black carbon is not a gas but a particulate — a component of soot emitted by the incomplete combustion of fossil fuels and biomass. Hence statement 1 is not correct.
  • Along with methane, black carbon is one of the two greenhouse contributors the global community has targeted for immediate reduction to curb global warming before the Arctic melts.
  • It stays in the atmosphere for shorter period of time and descends along with precipitation after some time. Because of black carbon’s short atmospheric life span, decreasing its presence offers an opportunity to mitigate the effects of global warming quickly — within weeks. Hence statement 2 is correct.
  • Control of black carbon, according to many scientists — particularly from fossil-fuel sources— could be  the fastest method of slowing global warming in the near future
  • Here on Earth, the albedo effect has a significant impact on our climate. correct. The albedo of a surface is the fraction of the incident sunlight that the surface reflects. The lower the albedo, the more radiation from the Sun that gets absorbed by the planet, and temperatures will rise. If the albedo is higher, and the Earth is more reflective, more of the radiation is returned to space, and the planet cools.
  • Black carbon is generally thought to have both a direct warming effect (by absorbing incoming solar radiation in the atmosphere and converting it to heat radiation) and an indirect warming effect (by reducing the reflectivity (albedo) of snow and ice). Hence statement 3 is correct.
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With reference to Black Carbon, consider the following statements:1. It is a gaseous substance that results from the incomplete combustion of fossil fuels and biomass.2. It remains in the atmosphere for a shorter period of time and contributes to climate change.3. It lowers the albedo of Earth’s surface that causes temperature rise.Q. Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. Can you explain this answer?
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With reference to Black Carbon, consider the following statements:1. It is a gaseous substance that results from the incomplete combustion of fossil fuels and biomass.2. It remains in the atmosphere for a shorter period of time and contributes to climate change.3. It lowers the albedo of Earth’s surface that causes temperature rise.Q. Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. 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 With reference to Black Carbon, consider the following statements:1. It is a gaseous substance that results from the incomplete combustion of fossil fuels and biomass.2. It remains in the atmosphere for a shorter period of time and contributes to climate change.3. It lowers the albedo of Earth’s surface that causes temperature rise.Q. Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With reference to Black Carbon, consider the following statements:1. It is a gaseous substance that results from the incomplete combustion of fossil fuels and biomass.2. It remains in the atmosphere for a shorter period of time and contributes to climate change.3. It lowers the albedo of Earth’s surface that causes temperature rise.Q. Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. Can you explain this answer?.
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