Question

What is an example of beneficial use for radioactive isotopes?

a. kills body cells

b. radiotherapy

c. radioactivity

d. all the above

Answer 1

Answer:

Radioactive isotopes have many useful applications. In medicine, for example, cobalt-60 is extensively employed as a radiation source to arrest the development of cancer. Other radioactive isotopes are used as tracers for diagnostic purposes as well as in research on metabolic processes.

Explanation:

so all the above(d)

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Answer 2

Answer:

d)all of the above.

Explanation:

Radioactive isotopes help in killing cells (i.e treating cancer) and in radiotherapy and radioactivity

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