31.   No one predicts that economic activity increased in the third quarter, which ends Sunday.

32.   Noting that El Nino activity has increased over the last two decades, some researchers think this may be a direct outcome of global warming caused by human activity.

33.   Patent activity in general has increased steadily in recent years.

34.   Physical activity increases the sensitivity of cells to insulin, which, in turn, lowers blood sugar and the need for insulin.

35.   Police also will monitor the community for six months to see whether drug activity increases, he said.

36.   Residential real estate activity grew at a more moderate pace though commercial activity increased.

37.   Seismic and volcanic activity has increased dramatically in Japan over the last year.

38.   Scientists say it is plausible that by promoting blood flow to the brain, physical activity increases cognitive power.

39.   Seismic activity increased, too.

40.   Sports activities increase the forces more than five times body weight.