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A panel of scientists , led by a researcher at the University of California, to strongly recommend in 2009 that DDT be used only when safer alternative could not be found.
According to the blog post, where do scientists recommend that DDT be used?
a. where safer alternatives are ineffective
b. where people are aware of the risk
c. where pyrethroids are untested
d. where mosquitoes are know to breed
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A panel of scientists , led by a researcher at the University of California, to strongly recommend i...
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