Because CFL bulbs contain mercury that is harmful to humans and the environment, they should not be used to replace incandescent light bulbs.

Question

Quizplus · Accepted Answer

While it is true that CFL bulbs contain small amounts of mercury, they are still considered safe to use and can actually be better for the environment overall than incandescent bulbs because they use less energy and last longer. However, it is important to dispose of CFL bulbs properly and not simply throw them in the trash. Recycling programs exist specifically for this purpose.

Because CFL Bulbs Contain Mercury That Is Harmful to Humans