PS4-3 (SEP 8) Electromagnetic radiation from the sun bombards our atmosphere constantly. The Earth’s atmosphere protects us from exposure to a range of higher energy waves that can be harmful to life. Gamma rays, x-rays, and some ultraviolet waves are ionizing which means they have a higher energy that can knock electrons out of atoms. Exposure to these types of waves can cause damage to cells in living tissue. Which of the following statements is correct according to the reading passage, and Figure 1 below?