Because rocks form and change over millions of years that is why difficult to know exactly when a rock formed.
The reason why it is difficult to know exactly when Shakespeare's plays were published is because there is no publishing date on any of his works. Based on the chronology of world events, scholars say it was in the 1540s.
i dnt know u tell me
Well that's a difficult question to answer because it is very vague. What exactly are you looking to know?
It is difficult to say exactly what the result of seat No4402190050 is just from your question. We do not know what seat No4402190050 is or what it is affecting.
well it formed 250 million years ago. I don't exactly know the year but if your a math expert you can figure it out
It is difficult to know what exactly Hitler felt and if he really ever felt joy, but it can be assumed that he found satisfaction in it.
genes are mixed around during sexual reproduction, and it ensures that the genes will not be the same.
The motto fo the Roman army was SPQR which stood for Senatus Populesque Romanum (The senate and the people of Rome) which was written on the standards of the legions. Eagles where the symbols of the legions which were drawn on the standards.
It is difficult to know exactly what you are asking, but assuming the common vernacular, it could refer to the inline checking of your credit rating or identity with a third party.
Bulimic behavior is often carried out in secrecy, accompanied by feelings of guilt or shame.
Well, we don't know what they think exactly, but when a horse feels threatened, it will most often run away.
What exactly do you want to know? What exactly do you want to know?