Which statement best describes the author's purpose in writing Silent Spring? A to call attention to the fact that America is filled with beautiful towns and farmsto call attention to the fact that America is filled with beautiful towns and farms B to raise an alarm about the effects of pesticides like DDT on the environmentto raise an alarm about the effects of pesticides like DDT on the environment C to argue that pesticides saved millions of lives in WWII from insect-borne diseaseto argue that pesticides saved millions of lives in WWII from insect-borne disease D to warn that DDT may be a necessary evil for producing sufficient crop yields