South Africa had to revert to using DDT, and in 2006, who endorsed the use of DDT to kill malaria -carrying mosquitoes. By 2007, almost 4,000 tons of DDT were sprayed in the homes of of millions of Africans and Asians, according to the United Nations Environment Programs (UNEP). This increased use of DDT prompted a panel of scientist, 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. a. who's decision was a result of what was known about the problems of DDT.
b. who's decision contrasted with what was know about the problems of DDT.
c. Who's decsion was a solution for the effects of the know problems of DDT.
d. Who's decision supported the use conclusions about the known problems of DDT