

MCQOPTIONS
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1. |
Radiocarbon is produced in the atmosphere as a result of |
A. | collision between fast neutrons and nitrogen nuclei present in the atmosphere |
B. | action of ultraviolet light from the sun on atmospheric oxygen |
C. | action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere |
D. | lightning discharge in atmosphere |
Answer» B. action of ultraviolet light from the sun on atmospheric oxygen | |