71.   Police have said a preliminary investigation indicated that speed and alcohol were factors in the accident.

72.   Position is a key factor in the design of a low-energy house.

73.   Research has shown that having some one to talk to and confide in is an important factor in preventing depression.

74.   Searching out high-quality old timber is a big factor in the opening up of pristine forests.

75.   Secondly, how well those made redundant are treated is an important factor in maintaining the morale of those who stay behind.

76.   Smoking is a contributory factor in lung cancer.

77.   Social Interaction Another factor in cognitive development is social interaction.

78.   Social scientists who study domestic violence and daily witness such evil do not seriously consider evil as a factor in family violence.

79.   Stress is a contributing factor in many illnesses.

80.   The awakening of national consciousness amongst the subject peoples was a major factor in undermining the power of the sultans.