1.   Cloudy water is a common phenomenon in new aquariums.

2.   The changeover from unpaid feudal armies to professional armies, which was a common phenomenon with secular governments, was also experienced by the papacy in the thirteenth century.

3.   Although not previously described in the literature at the molecular level, ZNF gene clustering is probably a common phenomenon in mammalian genomes.

4.   Is that a fairly common phenomenon?

5.   The last two rates illustrate Male excess mortality, a common phenomenon of most countries this century for all age groups except where death in childbirth reverses the pattern.

6.   Another common phenomenon is that groups use their language to set themselves apart.

7.   But some experts on death and dying say living to meet a final deadline is a common phenomenon.

8.   But then Gates is simply an exceptional example of a common phenomenon, the successful white businessman.

9.   Crossing over to the concert stage from Broadway is a far less common phenomenon, but Susan Stroman and Ann Reinking are bucking the trend.

10.   Group-home phobia is a common phenomenon.