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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 4 "Surface Waters and Underground Seas".

Multiple Choice Questions

1. What is contaminated with DDT so that it ends up affecting a human consumer of eggs?
(a) Farmers
(b) Water
(c) Chicken feed
(d) Hay in the barn

2. Life is able to adapt to environmental change over _____________, according to Carson.
(a) A decade
(b) Millennia
(c) A few months
(d) A year

3. What is the name for chemicals that mix with other pollutants and substances in the water, producing unidentifiable results?
(a) Sludge
(b) Muck
(c) Trep
(d) Gunk

4. What group of substances includes insecticides and pesticides?
(a) Organic cleaners
(b) Toxic chemicals
(c) Necessary evils
(d) Helpful mixtures

5. There is a disagreement among scientists about how much _______ can be safely stored in the body.
(a) Arsenic
(b) Fat
(c) DDT
(d) Water

Short Answer Questions

1. There is evidence that chemicals travel via ____________.

2. Only _________ have gained the ability to reserve the roles and actually change the environment they live in.

3. Much of the world's water is polluted by ________ from many sources.

4. The town Carson describes is one where townsfolk and farmers and wildlife all live in _____________.

5. Large-scale, single-crop farming eliminates the _______________ that provided built in control of pests.

(see the answer key)

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