Pls answer lol What is a major threat facing intertidal zone ecosystems?

pollution caused by human activities

the mysterious disappearance of phytoplankton

exceptionally high or low tides

habitat destruction caused by hurricanes

nacl is added to the aqueous of what? ? in order to get a proper answer you have to specify the exact composition of the aqueous solution.

the answer is true. hope it .

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.