The phrase "apparently contributed to a" is correct and usable in written English.
It can be used when discussing something that seems to have played a role in causing or influencing a particular outcome, but the evidence is not definitive.
Example: "The recent changes in policy apparently contributed to a decline in employee satisfaction."
Alternatives: "seemingly led to a" or "reportedly played a role in a".
AS CARNIVAL APPROACHES Brazil's government, faced with a devastating 10-day police strike that apparently contributed to a spike in killings in the northeast, is bracing for the possibility that similar strikes could afflict Rio de Janeiro and other cities less than two weeks before Carnival.
Comments in Washington in recent days, most notably by Senator John McCain, the ranking Republican on the Senate Armed Services Committee, calling for aerial bombardment of Syria's military, apparently contributed to a demand for dollars by nervous money traders in Syria.
A report in Iran's state-run news media that the government had decided to suspend trading relations with the United Arab Emirates in retaliation for that country's support of American sanctions on Iran — denied later by Iran's vice president — apparently contributed to a rush by Iranian merchants and trading companies to sell their rials for other currencies.
RIO DE JANEIRO — Brazil's government, faced with a devastating 10-day police strike that apparently contributed to a spike in killings in the northeast, is facing a new police strike in Rio de Janeiro less than two weeks before the start of the nation's most famous international draw: Carnival.
Thus, the findings reported here indicate that state and city dry cleaner regulations that specifically address the control of fugitive perc emissions from dry cleaners operating in residential buildings have apparently contributed to a substantial decrease in indoor air perc levels in those buildings.
NEW DELHI Indiaia's increasing wealth and improving literacy are apparently contributing to a national crisis of "missing girls," with the number of sex-selective abortions up sharply among more affluent, educated families during the past two decades, according to a new study.
Experiment 3 libraries, which were prepared with less mRNA input and had higher rRNA content in the template due to the presence of total RNA, also had higher rRNA contamination in the library (16%% to 27%%), apparently contributing to a reduction of the number of productive reads and an increase in read redundancy.
DWP managers and union leaders have struggled to agree on uses for the money, apparently contributing to an accumulation of cash in the nonprofits' accounts, records and interviews show.
In other words, the addition of new mtSNPs beyond a certain point does not apparently contribute to an increase in discrimination power.
Despite depth often being the best predictor of diversity, and apparently contributing to an evolutionary biodiversity bottleneck, it is generally believed that depth is not itself a primary driver of diversity (Levin & Dayton, 2009).
Already, the production, which was to begin in January, had been delayed for at least a month by the dispute — a factor that apparently contributed to the bargaining for extra incentives.
