11.   But how can a food become obsolete?

12.   Canned chili is a good example of how vegetarian foods are quickly becoming mainstream.

13.   Chinese food became convenience fare.

14.   Clean food is also becoming the new standard for quality.

15.   Conversely, food becomes a watery goo at low temperatures.

16.   Deep-fried foods become soggy.

17.   During the warmer months of the southern summer, krill feed in the open water, but, in the winter, their food can become scarce.

18.   Food became an early issue.

19.   Food has become a daily concern.

20.   Food becomes a discretionary item.