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Answer variants:
antiparticle of electron
Gamma ray
radio iron (\(Fe^{59}\))
Roentgen
International Commission on Radiological Protection
\(3.7 \times{10^{10}}\)
1. One roentgen is equal to disintegrations per second.
2. Positron is an.
3. Anemia can be cured by isotope.
4. Abbreviation of \(ICRP\) .
5. is used to measure exposure rate of radiation in humans.
6. has the greatest penetration
power.
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