The phrase "are preponderant" is correct and usable in written English.
It can be used to indicate that something is dominant or has greater weight or influence compared to other factors or elements.
Example: "In this debate, the arguments for renewable energy are preponderant, overshadowing the concerns about initial costs."
Alternatives: "are predominant" or "are more significant".
Statues of gods and warriors are preponderant — as are animals, which compose a marvellous bestiary that ranges from hieratic snakes and jaguars to an enormous stone flea.
In the framework of design verification, epistemic uncertainties are preponderant.
Conclusion: We concluded that stridor and shortening of the aryepiglottic folds are preponderant in children with laryngomalacia.
FZI and cluster analysis are preponderant for identifying THU and SHU comparing to Testerman method, in this field.
One important question that the positive theory of income taxation tries to answer is why marginal-rate progressive tax schedules are preponderant in democracies.
It is shown that the particle size and Reynolds number are preponderant factors that affect the extent at which migration occurs in the short-dwell coater.
At the same time, German names were preponderant.
In the 19th century direct investment in plant and equipment was preponderant.
To neutralize allegations in past years that so-called upstate palates were preponderant, the Foundation emphasized geographical distribution in choosing its 20 judges (nine were non-New Yorkers).
"We're going to be in a holding pattern until it's decided whether América Móvil continues to be preponderant or not, and that could take up to two years," says the boss of a competitor.América Móvil's shares surged on the announcement, after a long period in the doldrums.
Stalin, however, consented readily to Churchill's provisional suggestion for zones of influence in southeastern Europe: the U.S.S.R. should be preponderant in Romania and in Bulgaria, the western powers in Greece, and western and Soviet influences should counterbalance one another evenly in Yugoslavia and in Hungary.
