1.   Other factors affecting growth explain why not all plants welcome unlimited light.

2.   The decline in profitability can also be explained by factors relating to the nature of trade in the eurobond market between borrowers and intermediaries.

3.   Whilst economic factors are important, only non-economic factors can explain the different patterns of consumption of two different countries with similar per capita incomes.

4.   All those factors explain why Americans will soon be wading in the annual flood of solicitations from an ever-growing number of charities.

5.   Although many factors explain the gulf between our strengths and our weaknesses, the most fundamental failure is our educational system.

6.   And it suggests that other factors may explain the low rates of heart disease found among Eskimos, Japanese and other peoples with diets high in fish.

7.   A few key factors explain the differences between the film and music businesses.

8.   But it is widely agreed that such factors explain only part of the drop in the corporate tax burden.

9.   But the researchers found these factors could not explain the differences they found.

10.   But the message from studies of adolescents who kill others or themselves is that no single factor can explain their actions.