PCBs and PAHs

Question

PCBs and PAHs
A) Disrupt the endocrine cycles of marine organisms
B) Disrupt the primary feather structure of seabirds
C) Derive mainly from crude oil
D) Cause thinning of bird eggshells

Accepted Answer

PCBs (Polychlorinated Biphenyls) and PAHs (Polycyclic Aromatic Hydrocarbons) are known to disrupt the endocrine systems of marine organisms, affecting their hormonal balance and reproductive cycles.