1.   During boiling, bubbles of vapour are formed inside the liquid and it is these that cause the turbulence.

2.   As a journalist covering a turbulent region, he chose to sit down with the people who caused the turbulence so he might tell their story.

3.   Brazilian stocks have fallen for several days as concern heightened that the same factors that caused turbulence in many Asian markets could hit Latin American ones.

4.   A young man goes against the sage advice of his best friend and father by moving in with a woman he has impregnated, causing turbulence at home.

5.   The play caused a little turbulence in the Patriots locker room.

6.   The two world wars caused some turbulence.

7.   History shows that shortages in foreign exchange reserves have repeatedly caused turbulence -- devaluation, liquidity tightening, interest rate hikes and rushes on banks.

8.   National Press Assembly secretary-general Kenneth Morgan admitted it caused turbulence, saying there were many inaccuracies in the reports of UK media.

9.   Pressure on the lira was added by the collapse of the British investment bank Barings, which was causing turbulence in many international markets.

10.   The haze also caused severe turbulence for airlines.