"There's so many contributing factors.
There are many contributing factors.
"There are many contributing factors, although some of these factors are clearly more important than others.
"It was one of many contributing factors to the river's pollution," said the spokesman, Scott Brown.
But, this was "one of many contributing factors which occurred prior to the death.
In summary, obesity is a complex, chronic disease with many contributing factors.
There were many contributing factors in the outbreak of the credit crunch, and the key ones are outlined below.
Among the many contributing factors is increased consumption of fast foods.
This is a popular topic in psychology, and researchers have investigated many contributing factors, such as differing attachment styles, coping mechanisms, and levels of self-esteem.
There are many contributing factors to Islamophobia, the obvious one is what the media chooses to showcase, showcasing stories that ignite fear in people or peek their interest.
The government recognizes that among the many contributing factors, social problems that have been festering for decades underlie much of the abhorrent behavior we witnessed.
