11.   This creates problems familiar to Adam Smith, because nature provides a grossly insufficient number of tenors for the needs of the stage.

12.   Through years of work, they have found that nature provides some remarkably efficient examples of aquatic propulsion in the form of fish and penguins.

13.   Ultimately, his pictures offer a moral vision of the world in which nature provides an implicit yardstick against which human behavior can be measured.

14.   You can sow fresh seed outdoors in the fall and nature will provide this treatment during the winter months.

15.   If not, he will miss many of the wonders that nature provides.

16.   Nature has always provided lifeforms with their essentials for survival, especially when they are being threatened by disease or any external adversary.

17.   What nature provided, man utilized in his quest for glory or empire.