Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Period 11 Exercise Answers E.1 Ionizing radiation a) b) c) d) e) can cause cancer. can be used to diagnose cancer. can be used to treat cancer. Answers a) and c) are both true. All of the above answers are true. E.1 = e E.2 Which of the following is NOT a source of ionizing radiation? a) b) c) d) e) cosmic rays some types of rocks dental X-rays potassium in the body photographic film E.2 = e E.3 Which of FALSE? the a) Radioactivity nature. following occurs statements is naturally in b) Radiation can cause biological damage. c) Distance from a radioactive source is important in determining the dose of radiation received. d) The exposure to background radiation from cosmic rays decreases with increasing altitude. e) The presence of radioactive substances can be detected by using a cloud chamber. E.3 = d Period 11 Answers E.1 = e E.2 = e E.3 = d