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Hindi Medium: (Delhi) - GS Foundation (P+M) : 6th July 2026, 6:00 PM Hindi Medium: (Prayagraj) - GS Foundation (P+M) : 5th July 2026, 8:00 AM English Medium: (Delhi) - GS Foundation (P+M) : 26th July 2026 English Medium: (Prayagraj) - GS Foundation (P+M) : 15th July 2026, 8:00 AM Hindi Medium: (Delhi) - GS Foundation (P+M) : 6th July 2026, 6:00 PM Hindi Medium: (Prayagraj) - GS Foundation (P+M) : 5th July 2026, 8:00 AM English Medium: (Delhi) - GS Foundation (P+M) : 26th July 2026 English Medium: (Prayagraj) - GS Foundation (P+M) : 15th July 2026, 8:00 AM

Short-lived halogens

  • Short-lived halogens are produced naturally by phytoplankton and algae found in the oceans.
  • Its major constituents are chlorine, bromine or iodine. Its life span is less than six months.
  • According to a recent study, the oceans contribute 8-10% to the cooling of the planet by emitting short-lived halogens.
  • However, short-lived halogens have a different effect on methane. They increase the lifetime of methane in the atmosphere by dilapidated hydroxyl radicals.
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