(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.
Maria Sklodowska, better known as Marie Curie, was born in Warsaw in modern-day Poland on November 7, 1867. Her parents were both teachers, and she was the youngest of five children. As a child Curie took after her father, Wladyslaw, a math and physics instructor.arie Curie. Marie Curie-Mini Biography (TV-PG; 3:04) Marie Curie's work on radioactivity made her the first woman to win a Nobel Prize. Curie's efforts led to the discovery of polonium and radium and the development of X-rays.