1.   However, before the dawning of this utopia, certain changes must occur.

2.   In acid-base disorders, the compensatory changes occur in the component that is not the original cause of the imbalance.

3.   In the twentieth century, three main changes have occurred in this ownership of agricultural land.

4.   Nevertheless, changes constantly occur as is shown by a cursory glance at the development of local government services in Britain.

5.   One qualification is that some evolutionary changes occur by chance, without natural selection.

6.   Perhaps the most astonishing changes of all occur for the average changes for Shire Districts within each County.

7.   Real change will occur because measurement systems will change.