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5 votes
Alpha radiation:

A. is not harmful as it is not able to penetrate human skin
B. can be harmful to humans if the materials are inhaled, swallowed, or absorbed through open wounds
C. can travel long distances through air
D. cannot be measured by scientific instruments

2 Answers

2 votes
B. Can be harmful to humans if the materials are inhaled, swallowed, or absorbed through open wounds
User Emiliya
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3 votes
C. Can travel long distances through air
User Lindes
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