Which of the Following Is a Hazard but Not a Risk,according

Multiple Choice

Which of the following is a hazard but not a risk,according to the textbook?

A) The Kilauea volcano,which covers subdivisions with molten lava
B) A cinder cone that erupts hot molten fragments on an unpopulated Pacific island
C) A volcano in Iceland that threatens people with dangerous gases
D) A volcano in Iceland that caused catastrophic flooding that destroyed houses and roads
E) All of these are both a hazard and a risk.