Lending to the title of the novel, Carson closes chapter one like this. Finish the quote:
"What has silenced (blank) in countless towns in America? This book is an attempt to explain."
What are the voices of spring?
DDT (Dichloro-diphenyl-trichloroethane), first synthesized by Austrian chemist Othmar Zeidler in 1874, popularized in 1939, was advertised with the purpose to kill what kind of creatures? (Foreword and Chapter 2)
What are insects?
In Chapter 14, the FDA had tested DDT on laboratory on animals and found that it had the potential tendency to produce this mutagenic disease of rapid cell growth.
What is cancer?
What is ragweed?
Finish this quote from Chapter 4, utilizing a traditional nursery rhyme:
"It was a house that (blank) built sequence, in which the large carnivores had eaten the smaller carnivores, that had eaten the herbivores, that had eaten the plankton, that had absorbed the poison from the water...."
Who is Jack?
DDT has been linked to this class of chemical agents, known for causing changes in genetic material. (Chapter 3 and 13)
What are mutagens?
Chapters 10 and 11: The FDA does not allow trace residues of pesticides such as DDT in this household liquid food, though its authority is questionable.
What is milk?
Chapter 9: This amount of fish (bluegill and sung) was killed by the use of dieldren (a pesticide similar to DDT) in California in 1960.
What is 60,000?
Frustrated with the continued used of pesticides in nature, Carson says this in Chapter 7. Finish the quote.
"The question is whether any civilization can wage relentless war on life without (blank), and without losing the right to be called civilized."
What is destroying itself?
Known for its blood sucking nature, DDT combats this flying creature, which carries malaria. However, it has had an inverse effect, turning them into "gynandromorphs." (chapter 13)
What is a mosquito?
Chapter 14: In 1957, the FDA implemented a zero tolerance policy for food shipped through interstate commerce containing this cancer causing agent.
What are carcinogens?
Chapter 16: This bloodsucking arachnid of Ixodidae family, a known vector of spotted fever, was one of the first of its kind to develop resistances to insecticides such as BHC and DDT.
What are woodticks?
Finish this quote from Chapter 8:
"In the name of (Blank), are we to become victims of our own diabolical means of insect control to provide temporary comfort, only to lose out to destroying insects later on?"
What is progress?
Chapter 5: DDT and BHC were shown to have extreme detrimental effects in this amount of a time.
What is a year?
Chapter 14: The FDA labeled DDT as cancer causing after discovering it had lead to the development to tumors on this vital organ.
What is the liver?
Chapter 15: DOUBLE: This flying creature saw a 17x increase in abundance after being treated with insecticides in Ontario, Canada.
What are blackflies?
Finish this quotes from Chapter 17:
"We stand now where two roads diverge. But unlike the roads in Robert Frost's familiar poem, they are not (blank)."
What is equally fair?
DDT works by doing these two things to the affected target. (Two possible answers) (Chapter 3)
What are disrupting the nervous system and the oxidation cycle?
Chapter 14: Aminotriazole, a weed killer, was found by the FDA to be potentially carcinogenic after they seized this kind of fruit which had been massively contaminated.
What are berries?
Chapter 12: Methoxychlor and Dieldrin have been linked to causing insomnia, mania, and brain damage to this group of bipedal mammals.
What are humans?