Question: (1a) Isotopes that emit alpha radiation are relatively safe outside the body and exceptionally hazardous inside. Yet those that emit gamma radiation are hazardous outside

(1a) Isotopes that emit alpha radiation are relatively safe outside the body and exceptionally hazardous inside. Yet those that emit gamma radiation are hazardous outside and inside. (Explain why in a sentence or 2) (1b) Both gamma rays and radio waves can easily penetrate human tissue. Why are gamma rays hazardous while radio waves are generally not

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