The decreasing number of dead corvids reported since 2006 likely results from a combination of changes to regional surveillance strategies, decreases in the frequency of education campaigns, and changing public perception given the prolonged absence of the virus.
But the combination of changes has made at least some analysts more confident.
The increases in blueberry stem gall are likely due to a combination of changes in management.
This combination of changes to the environment and routine created a consistent mapping that was repeated often.
This was initially sparked by a combination of changes to its "non-white" membership, unnecessary and costly legal cases and the hiring of a deeply unpopular business consultant.
This combination of changes realised some of the fears of critics of Rothschild from the beginning, that Government departments would not manage research strategically.
The combination of changes in the labour force and productivity produces an estimate of the total growth rate for the economy.
But company officials said they also recognized that it would take a combination of changes to restore confidence in the battery system.
The tax package is a combination of changes for companies and individuals that would lower rates in a way Republicans say would lead to more growth and hiring.
"The combination of changes in the United States, in Europe, and in the region provide Israel with a unique opportunity to reset and rethink everything," Naftali Bennett, the openly annexationist Jewish Home Party leader, has said.
A combination of changes to tax rules and continuing low interest rates have been blamed for the 33% decrease in the amounts being invested in cash Isas during the 2016-17 tax year.
