Question

Which two events in the selection happened at the same time?

A. Curie was living in Poland and working in a lab.

B. Curie was studying math and discovering what radium could do.

C. Curie was testing coal and discovering a new element.

D. Curie was working as a servant and attending a university in Paris.

Answer 1

Answer:

C.Curie was testing coal and discovering a new element.

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