1.   A report published by the government has revealed the extent of air pollution in the area.

2.   Modern surveys have revealed the extent to which the public expects the Royal Family to earn its privileged position.

3.   The case reveals the extent to which the church as an institution was coupled with the nation.

4.   The popularity of religious cult communities reveals the extent to which many people have turned their backs on the family.

5.   His inventory provides further technical details of the art of glassmaking and also reveals the extent of his coal-mining interests.

6.   He has described the vulgar pastimes of football, bull baiting, etc. and revealed the extent of gentry encouragement and patronage.

7.   A report published by the Czech government has revealed the extent of air pollution in Bohemia, northern Czechoslovakia, and its effect on the population.

8.   A report by a commission set up by President Boris Yeltsin reveals the extent of dumping of nuclear materials at sea by Russia and the former Soviet Union.

9.   Agriculture Secretary Dan Glickman has ordered an investigation to find out why Hudson Foods took more than three days to reveal the extent of the problem.

10.   Agriculture Secretary Dan Glickman ordered an investigation to find out why Hudson Foods took more than three days to reveal the extent of the problem.