The European Union's Experience with Polybrominated Diphenyl Ethers (PBDEs)has Shown

The European Union's experience with polybrominated diphenyl ethers (PBDEs) has shown that ____________.

A) human metabolism of these compounds could solve the problem without legislation
B) economic factors have superceded health concerns
C) these molecules result in birth ratios of 9 males : 1 female
D) if the toxin is removed from the environment, concentrations in human tissues fall
E) these molecules can be rapidly metabolized by decomposers