51.  This increased the importance of exploration and development projects in frontier areas.

52.  This increases the importance of competition as a structuring agent.

53.  This increases the likelihood of a second fire.

54.  This shrinkage increases the density of the pot.

55.  Vigorous exercise increases oxygen consumption.

56.  White fluorescent light increases the rate of growth of this plant while apparently not encouraging unwanted algae formation.

57.  The application of fertilizer increased the size of the plants.

58.  The security forces increased their patrols in the area.

59.  She increased her wealth substantially.