Alfred Otto Carl Nier (May 28, 1911 - May 16, 1994) was an American physicist who pioneered the development of mass spectrometry. Uranium-235. It was discovered in 1935 by Arthur Jeffrey Dempster.
Uranium-235 was discovered by a Canadian-American physicist.
Alfred Otto Carl Nier (May 28, 1911 - May 16, 1994) was an American physicist who pioneered the development of mass spectrometry. Uranium-235. It was discovered in 1935 by Arthur Jeffrey Dempster.

Based on the evidence paragraph above what can we conclude about the claim "Uranium-235 was discovered by a Canadian-American physicist."?

Options: 

 - supported

 - refuted

 - not enough information
supported
Alfred Otto Carl Nier (May 28, 1911 - May 16, 1994) was an American physicist who pioneered the development of mass spectrometry. Uranium-235. It was discovered in 1935 by Arthur Jeffrey Dempster.

Based on the evidence paragraph above what can we conclude about the claim "Uranium-235 was discovered by a Canadian-American physicist."?

Options: 

 - supported

 - refuted

 - not enough information
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supported
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