NextMockપરીક્ષાઓ શોધો, દા.ત. SSC CGL, UPPSC, Lekhpal
SSC PYQTier 1 2025

SSC CGL – Combined Graduate Level Examination · પ્રશ્ન 49

Argon is produced in Earth's crust via?

  1. Decay of K-40
  2. Volcanoes
  3. Photosynthesis
  4. Cosmic rays
જવાબ બતાવો અને સમજૂતી

જવાબ: (A) Decay of K-40

સમજૂતી

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