1. What are some unique properties of ink used in printing this book?
(a) The ink is made in the U.S.
(b) The ink is made with new color technology.
(c) The ink itself is nontoxic and easy to wash off with nontoxic chemicals.
(d) The ink itself is recyclable.

2. What threatens the soil the most?
(a) Seed germination.
(b) Accumulation of toxic chemicals.
(c) Plowing and turning of nutrients.
(d) Insects.

3. Why is eco-efficiency not possible as stated by the author?
(a) It is not possible to create an industry that makes money off the environment.
(b) It is impossible to use materials in a resourceful way and make products consumers want.
(c) It is not possible to meet the demands of commerce and use less resources and create less toxic materials at the same time.
(d) It is impossible to design a product that is 100 percent beneficial to the environment.

4. What material can be used to create a well-designed roof?
(a) Concrete.
(b) Dry grass and leaves.
(c) Aluminum siding.
(d) Sod or grass.

5. How do products with toxic materials end up getting sold to consumers in the United States?
(a) Components of products that contain toxic chemicals can be imported into the United States.
(b) Parts of products that contain toxic materials are not removed by the government.
(c) Companies purchase products abroad, import them, and resell them in the United States.
(d) Companies in the United States do not sell products with toxic chemicals.