Which of the following statements concerning radiation absorption by living tissue is/are CORRECT? The "quality factor" takes into account the differences in damaging power 1. of the various forms of radiation. 2. One gray denotes the absorption of 1 joule per kilogram of tissue. The Sl unit for biological damage is a sievert (Sv), which is determined by 3. multiplying grays by the quality factor. O 2 and 3 O 1,2 and 3 O 1 only O 2 only O 1 and 3 1 and 2 O 3 only