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| Exclusive for Subscribers Daily: Volcanos and Carbon Market and its significance for the UPSC Exam? Why are topics like Pacific Ring of Fire, Forest Rights Act (FRA), 2006, Food Inflation important for both preliminary and main exams? Discover more insights in the UPSC Exam Notes for March 24, 2025 |
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Critical Topics and Their Significance for the UPSC CSE Examination on March 24, 2025
Daily Insights and Initiatives for UPSC Exam Notes: Comprehensive explanations and high-quality material provided regularly for students
For Preliminary Examination: Current events of national and international importance
For Mains Examination: GS I - World Geography
Context:
At least seven international flights from Indonesia’s resort island Bali have been cancelled, an airport official said on Friday, after Mount Lewotobi Laki-Laki, a twin-peaked volcano on Indonesia’s Flores Island, erupted on Thursday (March 20), prompting authorities to raise its alert status to the highest level.
Read about:
Volcanoes
Archipelago
Key takeaways:
According to the U.S. Geological Survey, volcanoes are natural openings in the Earth's surface through which molten rock, ash, and steam are released.
Formation and Types of Volcanoes
Volcanoes can be found both on land and beneath the ocean. They form when extremely hot material is expelled from the Earth's interior. This material includes molten rock—referred to as magma when underground and lava once it reaches the surface—along with ash and gases.
NASA explains that magma can rise through three primary mechanisms:
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Diverging Tectonic Plates: When large sections of the Earth's crust (tectonic plates) move apart, magma rises to fill the gap, often leading to the formation of underwater volcanoes.
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Converging Tectonic Plates: When plates collide, one section of the crust is pushed deep into the Earth's interior, where intense heat and pressure cause it to melt and rise as magma.
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Hotspots: These are regions deep within the Earth where heat accumulates, reducing magma's density and causing it to move upward.
Volcanoes are categorized into four primary types based on their lava flow and its impact on the landscape:
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Cinder Cones
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Composite or Stratovolcanoes
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Shield Volcanoes
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Lava Domes
Predicting Volcanic Eruptions
Unlike earthquakes, volcanic eruptions can often be forecasted hours or even days in advance. Scientists analyze seismic activity, track ground deformation due to magma movement, and measure volcanic gas emissions. Changes in gravity and magnetic fields are also indicators of potential eruptions.
The Pacific Ring of Fire
The Ring of Fire is a vast region around the Pacific Ocean, home to numerous active volcanoes and frequent earthquakes. It extends approximately 40,250 kilometers in a horseshoe shape and encompasses parts of New Zealand, Southeast Asia, Japan, and the western coastlines of North and South America. Approximately 90% of the world's earthquakes occur in this region.
According to National Geographic, the Ring of Fire marks the boundaries of several tectonic plates, including the Pacific, Eurasian, North American, Indian, Australian, and more. Countries such as the U.S., Indonesia, Mexico, Japan, Canada, and Chile lie within this volatile zone.
Notable Volcanoes Around the World
Volcanic activity is classified based on its history:
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Active volcanoes have erupted within the last 11,650 years (Holocene epoch).
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Dormant volcanoes are currently inactive but could erupt in the future.
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Extinct volcanoes are those unlikely to experience future eruptions.
Some of the world's most well-known volcanoes include:
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Mauna Loa, Hawaii – The largest volcano on Hawaii’s Big Island, covering nearly half of its landmass.
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KÄ«lauea, Hawaii – One of the world’s most active volcanoes, attracting tourists since the 1840s.
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Fagradalsfjall, Iceland – Erupted in December 2023, sending lava and smoke over 100 meters into the air.
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Mount Etna, Italy – Europe’s largest and most active volcano, with a history spanning 500,000 years.
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Eyjafjallajökull, Iceland – Caused major disruptions in European air travel in 2010 due to its ash cloud.
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Mount St. Helens, USA – Known for its catastrophic eruption in 1980, the deadliest in U.S. history.
Follow Up Question
1.Consider the following statements: (UPSC CSE 2018)
1. The Barren Island volcano is an active volcano located in the Indian territory.
2. Barren Island lies about 140 km east of Great Nicobar.
3. The last time the Barren Island volcano erupted was in 1991 and it has remained inactive since then.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 3 only
(d) 1 and 3 only
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Answer (a)
Statement 1:"The Barren Island volcano is an active volcano located in the Indian territory."
Statement 2:"Barren Island lies about 140 km east of Great Nicobar."
Statement 3:"The last time the Barren Island volcano erupted was in 1991 and it has remained inactive since then."
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Key Concepts of Carbon Markets
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Cap-and-Trade System:
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A central authority (usually a government or regulatory body) sets a cap on the total amount of GHG emissions allowed.
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Emission allowances (permits) are distributed or auctioned to companies, giving them the right to emit a certain amount of COâ‚‚ or other GHGs.
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Companies that reduce their emissions below their allowance can sell their excess permits to others that need them.
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Carbon Credits:
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A carbon credit represents the right to emit one ton of COâ‚‚ or an equivalent amount of other GHGs.
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Credits can be generated through projects that reduce or remove emissions (e.g., renewable energy, reforestation, or energy efficiency initiatives).
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These credits can be traded in carbon markets.
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Compliance vs. Voluntary Markets:
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Compliance Markets: Operate under government-mandated regulations (e.g., the European Union Emissions Trading System or California's Cap-and-Trade Program). Companies are legally required to participate.
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Voluntary Markets: Allow companies and individuals to purchase carbon credits voluntarily to offset their emissions, often for corporate social responsibility (CSR) or sustainability goals.
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Carbon Offset Projects:
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Projects that reduce, avoid, or remove emissions (e.g., renewable energy, afforestation, methane capture) generate carbon credits.
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These credits can be sold to entities looking to offset their emissions
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Answer (D)
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- Civil society representatives have expressed concerns regarding the misinterpretation of the Forest Rights Act (FRA), 2006, ahead of a Supreme Court hearing scheduled for April 2, 2025. The hearing will address petitions questioning the constitutionality of the Act.
- A collective of researchers, former forest officials, activists, legal professionals, and policy experts have raised issues related to human rights violations, large-scale displacement, legal obstacles, and environmental concerns.
- They emphasized that the FRA does not create new rights but rather acknowledges pre-existing rights. The Act does not include any provision for evicting individuals or families whose land claims are rejected.
- However, evidence suggests that many families are neither informed of the reasons behind claim rejections nor granted the full extent of land they applied for.
- Civil society members have also alleged that these petitions attempt to create divisions between Scheduled Tribes and Other Traditional Forest Dwellers (OTFDs).
- They stressed that the FRA movement has consistently sought to include diverse communities such as pastoralists, semi-nomadic groups, Particularly Vulnerable Tribal Groups (PVTGs), Dalits, and Denotified Tribes, all of whom have historically relied on forests but have faced systematic exclusion from land and access rights.
- In 2024, the Ministry of Tribal Affairs introduced the PM Juga Scheme to accelerate the recognition of forest rights, strengthen tribal empowerment, and promote sustainable livelihoods through various government initiatives. This reinforces the constitutional validity and significance of the FRA.
- Following the Act’s implementation in 2007, multiple petitions were filed in High Courts and the Supreme Court by retired forest officials and wildlife NGOs, challenging its constitutional validity.
- The petitioners contended that the FRA infringes upon fundamental rights, contradicts conservation efforts, and oversteps Parliament’s legislative authority
1.Consider the following statements regarding the Forest Rights Act (FRA), 2006:
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The FRA grants new land rights to Scheduled Tribes and Other Traditional Forest Dwellers (OTFDs).
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The Act includes provisions for evicting individuals whose land claims are rejected.
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The Ministry of Tribal Affairs launched the PM Juga Scheme in 2024 to accelerate the recognition of forest rights and promote sustainable livelihoods.
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The Supreme Court is hearing petitions challenging the constitutionality of the FRA, alleging that it violates conservation objectives and exceeds Parliament’s legislative competence.
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 3 and 4 only
(c) 1, 2, and 4 only
(d) 2, 3, and 4 only
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Answer (b)
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In 1975, the Punjab government issued a notification dividing its 25% Scheduled Caste (SC) reservation into two distinct categories. The first category exclusively reserved seats for the Balmiki and Mazhbi Sikh communities, as they were considered among the most economically and educationally disadvantaged groups in the state. These communities were given priority access to reservations in education and public employment.
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The second category comprised the remaining SC communities, who did not receive this preferential treatment. This was one of the earliest instances of sub-classification within an existing reservation system, aiming to extend additional benefits to certain groups beyond the general SC category.
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Although this policy remained in effect for nearly 30 years, it encountered legal challenges in 2004 when a five-judge Constitution Bench of the Supreme Court invalidated a similar law in Andhra Pradesh. In the case ‘E.V. Chinnaiah v. State of Andhra Pradesh,’ the Court struck down the Andhra Pradesh Scheduled Castes (Rationalisation of Reservations) Act, 2000, ruling that it violated the right to equality. The law had outlined a comprehensive list of SC communities and allocated specific reservation benefits to each group.
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On August 1, 2024, a seven-judge Constitution Bench of the Supreme Court, in a 6-1 majority ruling, determined that Scheduled Castes are not a socially homogeneous group and that states have the authority to sub-classify them to ensure reservations benefit the most disadvantaged communities among them.
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As per the Bill presented by Minister Damodar Rajanarasimh, the Scheduled Caste quota will now be divided into three groups:
- Group I will receive 1% reservation within the 15% SC quota
- Group II will be allotted 9% reservation
- Group III will receive 5% reservation
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Calling it a historic moment, Telangana Chief Minister A. Revanth Reddy acknowledged the long-standing struggle for SC sub-categorization, highlighting the sacrifices made by activists in the movement. He specifically referred to the Madiga Reservation Poratta Samithi (MRPS), an organization that had actively campaigned for sub-categorization, benefiting the Madiga community, which has now been allocated 9% reservation
1.Consider the following statements about Particularly Vulnerable Tribal Groups (PVTGs) in India: (UPSC CSE 2019)
1. PVTGs reside in 18 states and one Union Territory.
2. A stagnant or declining population is one of the criteria for determining PVTG status.
3. There are 95 PVTGs officially notified in the country so far.
4. Irular and Konda Reddi tribes are included in the list of PVTGs.
Which of the statements given above are correct?
(a) 1, 2 and 3
(b) 2, 3 and 4
(c) 1, 2 and 4
(d) 1, 3 and 4
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Answer (c)
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What factors influence women’s political participation?
For Preliminary Examination: Current events of national and international importance
For Mains Examination: GS II - Polity & Governance
Context:
The participation of women in Indian politics has been a subject of extensive discourse among scholars, especially given the paradox that while India has produced several influential women leaders, overall political engagement among women remains poor. Unlike many countries where the gender gap in political participation began narrowing in the 1990s, India saw this shift only in the 2010s
Read about:
Indian Women and Political Representation
Election Process in India
Key takeaways:
- The role of women in Indian politics has long intrigued researchers, particularly due to the striking contrast between the emergence of prominent female leaders and the generally low levels of political involvement among women. While many nations saw the gender gap in political participation begin to close in the 1990s, India experienced this change much later, around the 2010s.
- Debates about women’s political roles often emphasize societal and cultural obstacles that limit their success in elections, yet little focus is given to how ordinary women interact with the voting process when given the chance.
- Their voting behavior, preferences, and influence on election results remain largely unexamined. Moreover, while political parties and women’s advocacy groups often praise female voters during election periods, they tend to view them as a uniform group, ignoring how factors like caste, class, religion, and geography shape their political actions.
- Examples such as women’s backing of Donald Trump in the 2016 U.S. elections or their involvement in India’s 1990s riots reveal the intricate nature of women’s political participation, calling for deeper exploration.
- By analyzing how women cast their votes and whether their decisions stem primarily from gender or other social factors
Passive Recipients or Decision-Makers?
- As noted, women’s voting participation surged significantly in the 2010s, prompting political parties to target them with tailored policies and programs. However, these efforts often cast women as mere recipients of benefits rather than active political players.
- Welfare schemes like Ujjwala and Pradhan Mantri Awas Yojana were key to the Bharatiya Janata Party’s (BJP) 2019 parliamentary win, while initiatives such as ‘Ladli Behna’ and ‘Ladli Laxmi’ bolstered its success in Madhya Pradesh. Such programs tend to portray women as reliant on political generosity, rather than as independent actors in the democratic process.
Beyond the Ballot
- The uptick in women’s voter turnout during the 2024 Lok Sabha elections is significant, but political engagement extends beyond voting to include activities like attending rallies, joining campaigns, affiliating with parties, and advocating for policies.
- In these areas, women continue to trail men. Although only 14% of women say they consult their spouses about voting—suggesting increasing independence—this figure is still notably higher than for men, hinting at persistent social and structural constraints on broader political involvement.
- Some scholars attribute the rise in women’s voting to a “self-empowerment” theory, linking it to growing literacy and job opportunities that enable independent decision-making. The Election Commission’s push to register more female voters may also play a role.
- Additionally, the gender imbalance in voter registration persists, with fewer women enrolled compared to men.
- Another possible factor behind higher female turnout could be the widespread migration of men, particularly in states seen as socially and economically lagging, leaving women to dominate local voting. These patterns suggest that while turnout has risen, women’s deeper political engagement remains constrained.
Interplay of Identities
- Women’s voting choices in India are not solely tied to gender but are heavily influenced by regional, caste, and class factors. NES data show that state-specific political and social dynamics strongly affect electoral preferences, challenging the notion of a cohesive women’s voting bloc across India. Instead, women’s decisions are shaped by their broader community affiliations.
- This complexity is evident in state-level differences. In places like Tamil Nadu, Kerala, and West Bengal, where regional parties dominate, women’s voting often aligns with local movements rather than national gender trends.
- Caste and class add further layers: the BJP typically attracts urban, upper-class, and upper-caste voters, while Congress garners support from the urban poor and marginalized groups. Still, many women, especially from lower-income backgrounds, prioritize community interests over a unified gender agenda.
Party Preferences Among Women
- Historically, Congress has enjoyed stronger support from women than men, a trend that held in 2024, except during its 2014 nationwide slump. Left-leaning parties also once had a gender edge, though their waning influence has reduced this impact.
- The BJP, however, has generally faced a gender gap, with fewer women than men supporting it. This gap, once over 20%, shrank to about 7% in 2024, thanks to the party’s focused efforts to woo female voters—though much of this support comes from welfare recipients, and men still back the BJP more than women do.
- Regional differences add nuance. In some states not governed by the BJP, women outpaced men in supporting the party, even without a surge in female turnout. Elsewhere, women leaned toward opposition parties, creating an inconsistent gender divide.
- This indicates that while the BJP has gained ground among women, their voting preferences hinge on more than just gender, reflecting a mix of intersecting identities and local political climates.
Key Observations
- Data from past elections reveal three main trends in women’s political role in India. First, while their voter turnout has climbed, their participation beyond voting lags behind men’s. Second, gender alone doesn’t dictate their voting or political involvement—caste, class, and regional factors are equally critical.
- Third, despite outreach efforts, the BJP has historically struggled to win over women as much as men.
- These findings suggest that a distinct women’s voting constituency in Indian politics remains elusive, as their electoral behavior is deeply tied to broader social and political dynamic
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Answer (B)
To determine which of the given statements about the process of amending the Constitution of India are correct, let’s evaluate each one based on the provisions outlined in the Constitution, particularly Article 368, which governs constitutional amendments. Statement 1: A bill amending the Constitution requires a prior recommendation of the President of India. Statement 2: When a Constitution Amendment Bill is presented to the President of India, it is obligatory for the President of India to give his/her assent. Statement 3: A Constitution Amendment Bill must be passed by both the Lok Sabha and the Rajya Sabha by a special majority and there is no provision for joint sitting. |
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A positive aspect for wheat stocks is the availability of opening stocks before the new crop procurement begins on April 1.
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On April 1 last year, government-held wheat stocks stood at 75.02 lakh tonnes (lt)—the lowest since 2008, when stocks were 58.03 lt. This was barely above the minimum buffer requirement of 74.6 lt.
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One of the primary reasons for stocks depleting to a 16-year low was the 2024 Lok Sabha elections. During 2023-24 (April-March), the Food Corporation of India (FCI) released a record 100.88 lt of wheat into the open market. A significant portion of these sales, including 6.73 lt under the Bharat Atta scheme (which provided wheat flour at a subsidized rate of ₹27.5/kg), took place before the elections from November 2023.
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While these aggressive market interventions helped stabilize wheat prices, they were a calculated risk. If the 2023-24 wheat harvest had been poor—similar to the previous two years—it would have been difficult for government agencies to procure enough wheat to replenish stocks. Fortunately, production was sufficient, allowing procurement of 266 lt, which was higher than 262 lt in 2023 and 188 lt in 2022, though still lower than the 341-434 lt range recorded in the preceding four years.
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This time, the Modi government has opted for a more cautious approach. Between April and January 2024-25, only 9.59 lt of wheat was released through open market sales and the Bharat Atta scheme, with a total annual offload unlikely to exceed 30 lt. As of March 1, government-held wheat stocks were approximately 140 lt, projected to be around 120 lt at the start of the April 1 procurement season—significantly higher than last year’s 75 lt.
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Reports from the field indicate a bumper wheat crop in central India. This is in contrast to the previous year, when low grain yields resulted from delayed winter onset (which hampered vegetative growth and tillering) and foggy weather in January (which led to poor pollination and seed formation).
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This year, however, there have been no significant temperature fluctuations, fog, or smog conditions. Rajbir Yadav, a principal scientist at the Indian Agricultural Research Institute (IARI), New Delhi, anticipates wheat yields in Madhya Pradesh to be 15-20% higher than last year.
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Initial estimates from the Indian Sugar & Bio-Energy Manufacturers Association suggest gross sugar production for 2024-25 (October-September) at 333 lt. After deducting 40 lt of sugar used for ethanol production, the net output is expected to be 293 lt, a decline from 319 lt in 2023-24.
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The impact of poor 2023-24 rainfall in Maharashtra and Karnataka, along with increased vulnerability of the dominant Co-0238 sugarcane variety in Uttar Pradesh to red rot disease and top shoot borer pest attacks, appears to have been underestimated—which is now evident in production figures
1.Consider the following statements: (UPSC CSE 2020)
- The weightage of food in Consumer Price Index (CPI) is higher than that in Wholesale Price Index (WPI).
- The WPI does not capture changes in the prices of services, which CPI does.
- Reserve Bank of India has now adopted WPI as its key measure of inflation and to decide on changing the key policy rates.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 2 only
(c) 3 only
(d) 1, 2 and 3
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Answer (a)
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| Subject | Topic | Description |
| Polity | Centre and State relations | Centre State and interstate relations |
| Environment & Ecology | Marine Ecosystem | Marine Ecosystem |
| Economy | Consumer Rights | Consumer Rights |
| Ancient History | Buddhism | Buddhism |
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