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SSC PYQTier 1 2025

SSC CGL – Combined Graduate Level Examination · Question 49

Argon is produced in Earth's crust via?

  1. Decay of K-40
  2. Volcanoes
  3. Photosynthesis
  4. Cosmic rays
Show answer & explanation

Answer: (A) Decay of K-40

Explanation

Correct answer: (A) Decay of K-40, as per the official SSC answer key. [General Awareness]