31.   The first, conservation of mass, is known in fluid mechanics as the continuity equation.

32.   The purpose of this is usually to allow students the opportunity to use language they know in a less controlled situation.

33.   The reality of the world to hungry people is very different from what we know in the West.

34.   The Senator has Decided to run for president, and made his intentions known in a public statement Tuesday.

35.   The successful programs I know of in college football stay ahead of the game.

36.   The tendency to achieve planned targets by whatever means is well known in other Eastern block countries.

37.   These facts and figures added relatively little to what was already known in outline.

38.   This is known in other mammals including Ring-tailed Lemurs - also to be seen in the Walled Garden.

39.   This will involve a brief discussion of the approach known in contemporary philosophy as functionalism.

40.   We in the West knew little about events inside Northern Korea.