INSTRUCTIONS: EXPLAIN THE FOLLOWING QUESTIONS BELOW. REFER TO THE COMMENT SECTUON FOR FURTHER DETAILS.

1. Define visible light radiation (150 wrds)
2. Describe where the radiation is found on the Electromagnetic Spectrum compared to the other six forms of radiation. In your description, compare and contrast its wavelength, frequency and energy with those of other regions of the EMS. (200 wrds)
3. Are there human health risks from exposure (or overexposure) to radiation? If so: (350 wrds) Describe the main risk(s) Describe common sources of exposure (or overexposure) Describe a technology, device, or behavior that can be used for protection, or to decrease exposure.
4. Describe how gamma radiation may be used to treat cancer. (150 wrds)