Using ultraviolet radiation is a form of what type of water purification system?
A. Biological
B. Mechanical
C. Compact
D. Nuclear
Answer: B
Ultraviolet radiation, sand filtration, and lava filtration are all examples of mechanical purification systems because they require movement of the water and the parts of they system during the purification system. Compact systems utilize specially made filters to enhance and increase the rate of purification. Biological solutions are geared towards encouraging the natural processes of purification. Nuclear purification does not exist.
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