Your answer is D.. I hope this helps :)
The answer is C. Most thought that the land in Alaska was useless and the money could’ve been used elsewhere.
The discovery of radioactivity closely followed the discovery of X-Rays. The X-Ray was accidentally invented by Wilhelm Conrad Röntgen in 1895. With the help of his wife, Röntgen tested his wife's hand and captured the bones in her hand and her wedding ring. It became the first röntgenogram and garnered attention from the public and the scientific community.
