1. What is a potential problem associated with pesticide and herbicide use?
(a) Their chemicals can be recycled.
(b) Their production is very cheap.
(c) Their gases can be very explosive.
(d) Their toxins build up in the environment.

2. Why are books problematic to recycle?
(a) Because they are difficult to re-bind.
(b) Because the covers are made of different materials than the interior pages.
(c) Because the ink is very easy to remove.
(d) Because the interior pages are impossible to remove from the cover.

3. All of the following are true about a typical book except:
(a) It is not biodegradable.
(b) It uses chlorine in all aspects of its production.
(c) It is easily recycled.
(d) The inks contain many toxic chemicals.

4. Why are pesticides and herbicides commonly used on crops?
(a) To attract insects to pollinate crops.
(b) To slow crop growth.
(c) To force crops to grow faster.
(d) To eliminate weeds and unwanted insects from crops.

5. How do products with toxic materials end up getting sold to consumers in the United States?
(a) Parts of products that contain toxic materials are not removed by the government.
(b) Components of products that contain toxic chemicals can be imported into the United States.
(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.