Click on the ? button to the left of the correct answer to each question.

1. Silent Spring, a classic accounting of the hazards of chemical pesticides, was published in:

   1.   ?    1970
   2.   ?    1954
   3.   ?    1962
   4.   ?    1902

2. Pesticide widely used to control insect-born diseases during World War II but later banned because of its harmful effects on non-target species and persistence in the environment.

   1.   ?    2,4D
   2.   ?    DDT
   3.   ?    malathion
   4.   ?    dieldrin

3. The author of the landmark book Silent Spring was...

   1.   ?    Aldo Leopold
   2.   ?    Rachel Carson
   3.   ?    Dennis Avery
   4.   ?    Al Gore

4. Silent Spring is viewed as a "landmark" publication because...

   1.   ?    it was an emotional appeal to the government to establish an agency for environmental protection.
   2.   ?    the book was written as the final act of an individual dying of cancer.
   3.   ?    it used scientific evidence to establish a link between certain pesticides and several environmental catastrophes
   4.   ?    it succeeded in getting DDT banned from American agriculture.