(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.
What are the Causes of Coffin-Lowry Syndrome? Coffin-Lowry syndrome is caused by a mutation in the RPS6KA3 gene found on the X chromosome. The defective gene results in the defect in a protein, which is involved in several important functions of the body including in the brain.