The phrase "a combination of changing" is correct and usable in written English.
It can be used when discussing the merging or blending of different elements that are in a state of change.
Example: "The project requires a combination of changing strategies to adapt to the evolving market conditions."
Alternatives: "a blend of alterations" or "a mix of transformations".
Conservationists attribute whale meat's near disappearance from Japanese dinner tables to a combination of changing diet and sensitivity about eating an animal that leaves much of the rest of the world in awe.
Media technology continues to evolve by a combination of changing consumer needs and desires, and through research and development.
There are a likely three Pd(IV) oxycations formed on the type I electrode, which are revealed by a combination of changing electrolyte's pH values and adding ethanol in the solutions.
Indeed, over the last few years, as airlines have consolidated and maximized capacity through a combination of changing flight schedules and cutting departures, they've been shifting their reward programmes to favour customers who are necessarily more loyal to the company's bottom line: those who spend the most on tickets.
A combination of changing demographics and heightened interest among groups favorable to Obama means that McCain will likely need over two-thirds of the vote of white voters 30 and older, and over 60% of all white voters, to even have a shot at winning.
Besides, at many places, he argues that what have been called 100-year floods are now 10-year floods due to a combination of changing conditions over time.
The global epidemic of obesity represents a combination of rapidly changing, culture-based behavior changes and discordant genomic predispositions that cannot be ignored.
The increased market values are attributable to a "combination of landscape changing dramatically, and also a signal that someone is reinvesting in the neighborhood," Ms. Wachter said.
Judged from the literature, it is difficult to identify cohort specific factors that may explain these differences, suggesting that a combination of several changing factors may be important.
To this end, we set out to assess the effects of the policy by a combination of measuring changing near-miss incidence, conducting observations in facilities, exit interviews and in-depth interviews with patients.
Although Stubbs and the group went on to enjoy the odd hit on other labels, returned at one point to Motown, and never stopped working the American cabaret circuit, the combination of changing tastes and a lack of material that suited Stubbs' vocal style meant they never really recaptured their original power.
