(4) With the exception of hoses used to extinguish fires, any hose connected to. a fire hydrant must be equipped with either an approved backflow prevention. device or an approved four (4) inch air gap, unless in the Department's opinion, the application does not pose a backflow hazard, such as watering a community.
What was most likely the cause of Marie Curie's leukemia? a. Radiation c. Pollution b. Smoking d. Genetics. a. Radiation was most likely the cause of Marie Curie's leukemia.
Marie Curie died in 1934, at 66, of leukemia, which was believed to have been caused by her prolonged exposure to radioactive material. In 1940, after France fell, Eve Curie went to England to work for the Free French. She later served in Europe with the women s division of Gen. Charles de Gaulle s Fighting French.