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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 10 "Indiscriminately from the Skies".

Multiple Choice Questions

1. Much of the world's water is polluted by ________ from many sources.
(a) Dirt
(b) Waste
(c) Animals
(d) Nuclear plants

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

3. If a robin did not die, it often suffered from __________ as a result of being exposed to DDT.
(a) Cancer
(b) Blindness
(c) Sterility
(d) Deafness

4. Herbicides can change the _________ of plants, making toxic plants more appealing to animals.
(a) Taste
(b) Color
(c) Appearance
(d) Metabolism

5. What did the birds provide naturally that made their deaths all the more significant?
(a) Pest control
(b) Songs
(c) Eggs
(d) Migration patterns

Short Answer Questions

1. How was the large population of sagebrush destroyed in the West?

2. Chemical insecticides and herbicides are challenging because they are _____________.

3. Life is able to adapt to environmental change over _____________, according to Carson.

4. Who was intended to benefit from the removal of sagebrush from the American West?

5. The business of chemical _______ is booming because people approach plant life without thinking about any perspective but their own immediate desires.

(see the answer key)

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