Unformatted text preview: a. Cosmic b. Intrinsic c. Background d. Uneventful 43. Just under half of mans exposure to external natural radiation comes from? a. Radon b. Cosmic radiation c. Rocks d. Food 44. Radon dose comes primarily from its daughter products which are ? a. Ingested b. Counted c. Inhaled d. Touched...
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This note was uploaded on 01/29/2010 for the course MPA mpa1 taught by Professor Scotts during the Spring '10 term at Acton School of Business.
- Spring '10