Critics of the Superfund law argue that:

Question $20$ options:

A$)$

the EPA has spent excessive resources on cleaning up sites that have little chance of posing harm to area residents.

B$)$

the law provides incentives for excessive investment in safety.

C$)$

the clean$-$up efforts have increased the exposure to toxic substances in some cases because these efforts have freed some of the substances into the environment.

D$)$

All of the above.