11.   Mussels and various species of barnacle are obvious examples.

12.   Obvious examples include caffeine and ephedrine, the latter being readily available to the public in over-the-counter cold remedies.

13.   One obvious example is the almost universal ban against committing adultery with another man s wife.

14.   The most obvious example is the electoral college, the phantom body that stands between voters and the final outcome.

15.   The most obvious example of this principle would be the depreciation pattern of most new Ainerican automobiles.

16.   The most obvious examples of spillover costs involve environmental pollution.

17.   The obvious example is agriculture, usually employed as an illustration in chapters on perfect competition in introductory texts.