4. Which of the following occurs when algae decompose in the ocean? A. Decomposers at the ocean's surface remove oxygen from the air.
B. Decomposers add oxygen to the ocean floor.
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C. The ocean water releases excess oxygen into the air.
D. Decomposers remove oxygen from the ocean water.

on passing the small ampere of electric current through the tube made of ar and hg of cfl generates uv rays which excites the fluorescent and thus emits the high radiation by consumption of just 5- 12 w in comparison to incandescent light which requires more power such as around 40 - 55 w to lighten.

moreover the life span of fluorescent or cfl is around 8000 h whereas the life span of incandescent is around 1200 h

hence, the building installed with incandescent lights bears more electricity bill.