This may be partly due to the effect of small, unresolved variations in the atmosphere, such as internal waves, that weakened the storm.
It could be partly due to temperature change and weather patterns.
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This may be partly due to the absence of midfield driving-force Steven Gerrard, who missed the game because of the thigh injury that caused him to sit out England's international win in Denmark on Wednesday.
Health Minister Andy Burnham said the rise could be partly due to the fact that the Department of Health had been actively encouraging NHS organisations to welcome complaints in order to learn from them and improve services.
The escape may be due partly to a problem plaguing the prison that couldn't hold Faid: overcrowding.
CNN: Interpol issues wanted notice for escaped French gangster
It may also be due partly to prejudice: Mr Cardoso is an ex-professor, Mr da Silva a former lathe operator and trade-union leader who never went to university.
Partly that may be due to the insurance and provider lobbies, especially the hospitals.
The ease with which new land can be developed around Phoenix is partly due to geography: there are no mountains or big lakes to place natural checks on growth.
Supplies of palladium are forecast to be tighter overall due to lower sales of Russian state stocks partly offset by slightly higher shipments from South Africa, Johnson Matthey reported.
FORBES: Johnson Matthey: Palladium Market Swings To Surplus In 2011
But in September, Gates said the Pentagon would be unable to commit new troops before spring or summer of 2009, partly due to its larger commitment to the war in Iraq.
The opposition, always a highly critical bunch, has been unusually quiet over the past few months (partly, it must be said, due to having to deal with their own internal wranglings).
Economic growth has been sluggish, partly due to the strong euro which can be particularly damaging for Italian exporters such as carmaker Fiat (nyse: FIA - news - people ) and luxury-goods firm Luxottica (nyse: LUX - news - people ).
If that is partly due to a lot of cancelled barbecues it could well be temporary (let's hope so).
I've struggled to lose weight all my life but never been desperate enough to starve myself, partly due to my love and appreciation of food and partly due to my awareness of how unhealthy such a move would be.
Although Kenya's prime real estate might be booming, analysts say that international investors have been slow to dive into the country's market, partly due to security reasons.
He adds that the country faces a severe shortage of organ donors, partly because many people do not want to donate organs due to the cultural belief of that they should be buried whole.
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