#RFB-11000138Reading: Fill in the BlanksAcademic,CoreHard
Radioactivity
Official Question Material
Prep: Varies
So why is it a concern? It is [blank] radioactivity is invisible and unsensed, and for that reason is perceived as scary [blank] , we understand quite well the radiation levels to which people can be [blank] without harm, and those levels are orders of [blank] above the typical background levels.
Sample Answer & Audio Transcript
So why is it a concern? It is because radioactivity is invisible and unsensed, and for that reason is perceived as scary nevertheless , we understand quite well the radiation levels to which people can be exposed without harm, and those levels are orders of magnitude above the typical background levels.
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