Question

1. what did inspector swen kjaer determine about radium, and was anything done as a result of his investigation? a. he determined that radium was dangerous but nothing was done. b. he discovered that radium was less radioactive than phosphorus, so the usrc banned the use of radium. c. he determined that no radium was used in radium paint, so nothing needed to be done to rectify it. d. he determined that the company wanted to secretly experiment on its employees with radium, yet nothing was done about it.

Explanation:

Based on historical knowledge about radium - related investigations, Inspector Swen Kjaer determined radium was dangerous but no action was taken. There is no evidence to support the other options. Radium is highly radioactive and was known to be dangerous, and there was often inaction despite such knowledge in early investigations.

Answer:

a. He determined that radium was dangerous but nothing was done.