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On March 24, 1989, a tanker named Exxon Valdez ran aground on a rocky reef. The rocks punctured a hole in the vessel carrying crude oil from the Port of Valdez across the Prince William Sound.

At the time, the spill was the largest environmental disaster in U.S. history resulting in 38 million gallons of crude oil contaminating the Prince William Sound.

Which of the following consequences was a result of the Exxon Valdez environmental disaster?

A

Benzene exposure led to high white blood cell counts which are precursors to leukemia.

B

Higher than normal levels of cesium-137 were detected in schools of Pacific fish.

C

Higher than normal levels of iodine-131 were linked to thyroid cancer in humans.

D

Polycyclic aromatic hydrocarbons caused heart deformities in tuna and amberjacks.

E

Over 100,000 animal deaths occurred in species such as birds, otters, seals and orcas.

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