But with parts of the aircraft already moved, how difficult will it be for investigators to prove the cause of the crash?
Now we are being given these nonsensical figures: "only 50 people died as a result of Chernobyl" I suppose this refers to deaths that happened straight away, and all the possible thousands of cancer victims that may have died prematurely across Europe are ignored, as it would be very hard to prove the cause.
Lacking additional data, our study cannot prove the cause for it (workload, endocrine imbalance or fluid overload, as discussed above).
Proving the cause of a disease, even when the cause may seem obvious, is difficult.
Yet, more than any other single factor, it has proved the biggest cause of the UN's multiple failures.
Moreover, it proves that the annealing treatment can cause the mesoporous structure.
It had been associated with heart rhythm abnormalities and 80 deaths, though the federal agency said it could not prove the drug caused any deaths.
In a large proportion of cases, however, particularly when the inflammation is confined to the anterior segment, it proves impossible to be sure of the cause.
It proved so popular it caused the website to crash.
Although it was caught on tape by a spectator further down the stage, it proved to be impossible to determine the cause of the crash from the footage.
Virus in nasopharyngeal secretions does not prove that it is the cause of the respiratory symptoms, as we did not investigate the prevalence of the virus in asymptomatic children or the natural history of the infection.
