The atoms of some elements can be made radioactive by...?

A. heating them to a very high temperature

B. placing them in a magnetic field

C. bombarding them with high energy particles

D. seperating them into their isotopes

2 Answers

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  • david
    Lv 7
    1 month ago

    C. bombarding them with high energy particles

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  • Anonymous
    1 month ago

    There's no 'e' in separate.

    C is the answer.

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