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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6 "Earth's Green Mantle".

Multiple Choice Questions

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

2. What lingers on the rooftops in Carson's description of the demise of the environment?
(a) Black birds
(b) Smog
(c) Insects
(d) White powder

3. The business of chemical _______ is booming because people approach plant life without thinking about any perspective but their own immediate desires.
(a) Weed killers
(b) Cleaners
(c) Fragrances
(d) Cosmetics

4. What is the name of the naturally occurring mineral that is toxic to humans and most creatures but is still used as a pesticide?
(a) Lead
(b) Boron
(c) Arsenic
(d) Carbon

5. What is plentiful in the streams, providing good fishing spots since early settler times?
(a) Trout
(b) Eels
(c) Guppies
(d) Insects

Short Answer Questions

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

2. Humans hold a narrow view of _________, using them when they are immediately useful only.

3. Toxic substances work to stop the body's natural functions; some of them may cause __________ to begin growing.

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

5. The campaign in the American West to replace _______ with grass is one example of man's arrogant approach to plants.

(see the answer key)

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