File:Radioactivity.png

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20.11.2022 correction by prof. Caruana

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:27, 21 November 2022		1,172 × 677 (91 KB)	Alexpko (talk \| contribs)

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Horizontal resolution	37.79 dpc
Vertical resolution	37.79 dpc