(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.
The first she used in the Radium Institute in Paris and the second she. Marie Curie and the Discovery of Radium 5 offered to the Radium Institute in Warsaw. Marie Curie deceased in 1934 victim of leukemia caused by the exposure to ionizing radiation for many years.