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

2. What is the problem with recycling as we know it?
(a) Recycling means eating old food.
(b) Recycling means using inferior products.
(c) Recycling means using the materials in a way they were not intended.
(d) Recycling means losing more money to better technology.

3. What is one problem with recycled paper?
(a) It contains a higher level of toxins after the recycling process.
(b) It still contains the ink marks from the original paper.
(c) It can cause blindness if consumed in large quantities.
(d) It has stains from the bleaching process.

4. How do products with toxic materials end up getting sold to consumers in the United States?
(a) Companies in the United States do not sell products with toxic chemicals.
(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) Components of products that contain toxic chemicals can be imported into the United States.

5. When can PVC, a commonly used plastic in children's playground equipment, be toxic?
(a) When exposed to carbon dioxide.
(b) When consumed.
(c) When frequently touched or rubbed on the skin.
(d) When heated to high temperatures.