Multiple Choice
Which of the following statements is or are false?
i.Radioactivity first appeared on earth in the late 1800s.
ii.Atoms cannot be changed from one element to another.
iii.If a sample of a substance is radioactive,the sample remains radioactive forever.
A) i only
B) i and ii
C) i and iii
D) ii and iii
E) i, ii, and iii
Correct Answer:

Verified
Correct Answer:
Verified
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