Are the major cause of stratospheric ozone depletion.? Chlorofluorocarbons (CFCs) ??????????????????????? Perfluoroche
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QUESTION 1
_______________ are the major cause of stratospheric ozone depletion.
Chlorofluorocarbons (CFCs)
Perfluorochemicals (PFCs)
Polybrominated diphenyl ethers (PBDEs)
QUESTION 2
Many phthalates affect the _______________.
central nervous system
endocrine system
respiratory system
QUESTION 3
Which of the following groups of chemicals was widely used as insulating fluid in electrical equipment?
Dioxins
Polybrominated diphenyl ethers (PBDEs)
Polychlorinated biphenyls (PCBs)
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