Marie and Pierre Curie noticed burns on their fingers after handling test tubes containing radioactive substances. This observation led to (1 point)

A.the discovery of natural fluorescence. B.the discovery of X-rays.
C.the discovery of radiation therapy.***
D.the discovery of uranium.

4 answers

I have the same question did you ever find the answer? Thanks
:/ did anyone at least try to answer this?
SCREEE I don’t think anyone did