1. Their is something that is much more scarce, something rarer than ability. It is the ability to recognize. 

2. Food and fuel were scarce in this region.

3. Food was often scarce in the winter.

4. In wartime, food is often scarce.

5. Food was scarce and expensive.

6. Many natural materials are becoming scarce.

7. Medical supplies were growing scarce.

8. It was wartime and food was scarce.

9. Tea and sugar were scarce and were rationed during the war.

10. Now that oil is scarce, the fate of the motor car is uncertain.

11. Why is full-frontal male nudity still so scarce in films?

12. There is something that is much more scarce, something rarer than ability. It is the ability to recognize.

13. The food was scarce during the war.

14. I can scarce remember him.

15. I decided it was time to make myself scarce.

16. Details of the accident are scarce.

17. That bird has become scarce in this country.

18. Water is scarce in the desert.

19. Hospital beds were scarce and medicines were practically non-existent.

20. Strawberries are scarce this year.

21. He could scarce believe it.

22. When money was scarce they simply bartered.

23. The scarce shots spoke the end of the battle.

24. Food was scarce throughout the war.

25. Money was somewhat scarce after the war.

26. Skilled workers were becoming increasingly scarce.

27. Fresh food is so scarce that prices have rocketed.

28. Food and clean water were becoming scarce.

29. As the summer wore on food became scarce.

30. This kind of training is ineffective[sentencedict.com], and wasteful of scarce resources.