Despite Numerous Studies Showing the Negative Effects of Atrazine on Frog

Multiple Choice

Despite numerous studies showing the negative effects of atrazine on frog development,the Environmental Protection Agency continues to allow restricted use of atrazine as long as environmental levels do not exceed 30 to 40 ppb.What will be the likely result of this policy?

A) The occurrences of frog abnormalities will gradually decline.
B) Abnormalities will continue to appear in frogs.
C) No new abnormalities in frogs will appear.
D) Abnormal frogs that reproduce will have offspring that all develop normally.
E) Both c and d