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Compact Fluorescent Light bulbs (CFL)Emit very low levels of UVContain a small amount of mercuryA very long lifespan, compared to the a normal incandescent bulbWhich are TRUE?

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Compact Fluorescent Light bulbs (CFL)<br>Emit very low levels of UV<br>Contain a small amount of mercury<br>A very long lifespan, compared to the a normal incandescent bulb<br>Which are TRUE?






 
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