PH-323
Hazards of electromagnetic waves
Physics · Secondary 3 · Medium · Hazards of electromagnetic waves
A student enjoys sunbathing at the beach without sunscreen. Which effect of the Sun’s ultraviolet (UV) radiation is considered the main biological hazard?
- Increased chance of skin cancer from DNA damage
- Instant freezing of the skin surface
- Permanent improvement of eyesight
- Removal of all bacteria from the skin
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