Which of the Following Statements About Radiation Is True

Multiple Choice

Which of the following statements about radiation is true?

A) Your body contains a number of radioactive isotopes.
B) One rem is enough to kill approximately 50 percent of the average population.
C) Radiation damages cells beyond repair.
D) Several small exposures over time has the same negative effect as one large exposure that totals the same amount.
E) Radiation can make you glow in the dark.