33) The average dose of radiation received by the 200,000 recovery operation workers was (2pts) (Divide the average dose for recovery workers given in the article by average natural background of 2.5 mSv) about the annual natural background doses of humans worldwide. about 40 times the annual natural background doses of humans worldwide. O about 4 times the annual natural background doses of humans worldwide. about 100 times the times the annual natural background doses of humans worldwide. 34) The prevalence of thyroid cancer after the Chernobyl accident was due to the fact that (2pts) O radioactive caesium was released during the Chernobyl accident. radioactive iodine was released during the Chernobyl accident, all radiation only affects the thyroid. children suffer from radiation effects and not adults and they are prone to thyroid rather than other cancers. 35) i) List 4 safety features that have been added to RKMB reactors like the Chernobyl one after (6pts) the accident. ii) What kind of pills (made of a stable non-radioactive isotope of some element) are given to people as a preventative to protect their thyroid glands from radiation. (hint it protected the residents of Pripyat city in the vicinity of Chernobyl. Verdana 10pt BIU A V Z I O WORDS POWERED BY TINY Previous 112131415 Next