Radiocarbon is produced in the atmosphere as a result of
  • 1Collision between fast neutrons and nitrogen nuclei present in the atmosphere.
  • 2Action of ultraviolet light from the sun on atmospheric oxygen.
  • 3Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere.
  • 4Lightning discharge in atmosphere.
Answer:- 1
Explanation:-

Solution:
Collision between fast neutrons and nitrogen nuclei present in the atmosphere.

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