The Health Department has been made aware that property located at Bear Creek is under investigation by the NC Division of Waste Management for the illegal discharge of hazardous chemical materials.
Can we say the following?
Hazardous chemical materials have been discovered at Bear Creek.

yes

President Chirac has been advised that his resumption of nuclear testing would precipitate an international boycott of French products.
Can we say the following?
International pressure is exerted to end French nuclear tests.

yes

If you have an immediate problem with ice dams, you should remove the snow from the part of the roof directly above the ice dam. This limits the amount of water that can collect behind the dam.
Can we say the following?
Dam building prevents life-threatening situations.

no

On his oak mantelpiece are a drinking bowl from Lake Turkana and an East African gourd, both of which he bought in Nairobi where he went in the fall of 1993 to visit Kitum Cave, the suspected host site for the Marburg virus, which is closely related to Ebola.
Can we say the following?
The Ebola virus has been found in Zaire.
no