31.  The Clean Air Act would increase the cost of electric power in the Midwest.

32.  The easiest, and worst, response to external noise by the typical headphone user is increasing the volume.

33.  The higher stakes have increased the temptation to overload the inflatable speedboats, called Zodiacs.

34.  The mixing together of financial services has increased the scope for trading on the basis of inside information.

35.  The new airport will increase noise pollution in the surrounding area.

36.  The new law will increase building costs.

37.  The new regulations will increase customer confidence in Internet shopping.

38.  The new tax will increase the cost of owning a car.

39.  The new treatment will increase her chances of survival.