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Biology 8 Online
OpenStudy (anonymous):

What happened when J.J Thompson changed the metal in the cathode ray? What did he conclude?

OpenStudy (abhisar):

You probably didn't notice but you posted your Chemistry question in Biology section. Please post your questions in relevant sections, in this way you'll also get help faster. Posting questions in irrelevant sections is considered as spamming. You can repost this and other chemistry questions here http://openstudy.com/study#/groups/chemistry

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