The phrase "a combination of falling" is correct and usable in written English.
It can be used when describing a situation or phenomenon that involves multiple elements or factors related to falling.
Example: "The artist's latest work is a combination of falling leaves and swirling winds, capturing the essence of autumn."
Alternatives: "a blend of falling" or "a mixture of falling".
"[Massive faced] a combination of falling turnover and rising costs," he said.
A combination of falling production and rising domestic consumption could wipe out Mexico's exports within five years.
Fortunately for Scott, a combination of falling interest rates and a buoyant rental market came to his rescue.
A combination of falling prices and better quality has already resulted in sales growing by 30% in America last year.
A combination of falling prices and greater pressure for companies to show action to fight climate change has led corporations to buy renewable energy.
James Keating, an analyst with Merrill Lynch Canada, said that "a combination of falling interest rates and pretty good pricing discipline" had helped the banks' retail operations.
One person, for example, related her diagnosis to a combination of falls and her family history of the condition.
Therefore, we assessed whether older persons who sustain an injurious fall can be classified into specific fall types, based on a combination of fall location and activity up to the moment of the fall.
Although fall location and activity were the most common reported circumstances in these studies, none of the studies assessed whether persons sustaining injurious falls can be classified into specific fall types based on a combination of fall location and activity up to the moment of the fall.
Evidence shows families are being squeezed much more this time than in previous eras, as they experience a toxic combination of falling household incomes and rising inflation.
That social tensions did not emerge earlier is thanks to a soothing combination of falling prices (thanks to China and technology) and easy access to debt.
