Which one of the following most accurately expresses the meaning of the word "mechanism" as used by the author in the...

on August 22, 2020

Ans Choice E

hi, Could you explain why Ans Choice e and D would be wrong. Thanks in advance!

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on November 18, 2020

Why not E?

Farnoush on September 23, 2022

Hi! What is the difference between A and E?

Emil on December 18, 2022

Hi, the passage uses mechanism to describe the way cut which radiation happens. D is not what the author meant by mechanism, they are not talking about the specific isotopes but instead the general way that it happens. We are talking about the physical processes that make radiation happen, rather than the scientific theory behind it, so it is not E.