That has been questioned, however, by one expert, who pointed out that there was still no scientific proof that all harmful traces of the weapons have been removed, particularly after they were burnt.
Geologic evidence shows that southern African has been slowly rising for the past 100 million years, yet it has not experienced a tectonic collision for nearly 400 million years.
A coffee mug held by Prime Minister Tony Blair during a newspaper interview proved to be an appropriate prop to drive home his message about staying in power.
One type of external evidence that may shed light on the transmission of Roman texts is the availability of a work in the Middle Ages, when many classical texts were circulated.
Like other human beings, he encounters moral issues even in everyday performance of his routine duties—he is not supposed to cook his experiments, manufacture evidence, or doctor his reports.
As time went on, there was a substantial increase in seeds from pioneer plants, attesting both to agricultural intensification and to an increasingly disturbed local environment.