There's a form of light that is very energetic and can cause Dana eve to living cells and tissues the sun emits this type of light but much of it is blocked by ozone in the atmosphere

is this for the e2020 class

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.