(B) Benzene
(C) Radiation
(D) PCBs or polychlorinated biphenyls
(E) All of the above are considered teratogens.
- Which of the following steps is NOT involved in the production of
industrial smog?
(A) C + O 2 → CO 2
(B) C + O 2 → CO
(C) S + O 2 → SO 2
(D) NO 2 → NO + O
(E) SO 2 + O 2 → SO 3
- Household water is most likely to be contaminated with radon in homes
that
(A) are served by public water systems that use a groundwater source
(B) are served by public water systems that use a surface water source
(C) have private wells
(D) use bottled water
(E) are served by water agencies that use ozone to disinfect the water
- Which reaction is NOT involved in the formation of acid deposition?
(A) O 3 + CxHy → PANs
(B) SO 2 + H 2 O → H 2 SO 3
(C) H 2 SO 3 + O 2 → H 2 SO 4
(D) NO + → O 2 → NO 2
(E) 2NO 2 + H 2 O → HNO 2 + HNO 3
- Normal rainfall has a pH of about
(A) 2.3
(B) 5.6
(C) 7.0
(D) 7.6
