GRE Text Completion Question 613
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Source: XDF
A sizable diminution in level of ozone in the atmosphere was detected over Antarctica in 1985,_____scientists who had issued warnings in the early 1970s that chlorofluorocarbons and other types of industrial chemicals might cause a reaction which would deplete ozone in the upper atmosphere.
- A undermining
- B admonishing
- C vindicating
- D surprising
- E critiquing