Some pesticides are expensive. Some pesticides fail to control insects. Some pesticides give off foul odors. Some pesticides can harm non-targeted species.
I gave my students this multiple choice question: The United States government limits the use of certain pesticides through laws passed in the Endangered Species Protection Program. Which is the most likely reason to enforce laws that limit pesticide use?

Only one answer is correct among these 4 choices:
- Some pesticides are expensive.
- Some pesticides fail to control insects.
- Some pesticides give off foul odors.
- Some pesticides can harm non-targeted species.

Could you tell me which one is correct?

Some pesticides can harm non-targeted species.