Answer:
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░░░░▄▄▄██▀▀▀▀░░░░░░░
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░░░▌░▄▄▄▐▌▀▀▀░░ This is Bob
▄░▐░░░▄▄░█░▀▀ ░░
▀█▌░░░▄░▀█▀░▀ ░░ Copy And Paste Him In Brainly Question,
░░░░░░░▄▄▐▌▄▄░░░ So, He Can Take
░░░░░░░▀███▀█░▄░░ Over Brainly
Explanation:
The answer is 2 because you have to divide these numbers.<span />
Which type of telescope is most useful for detecting a star that emits very long electromagnetic waves?
A. a radio telescope B. an X-ray telescope C. an optical telescope D. a gamma ray telescope
A.)a radio telescope
...with the discovery and identification of the electron; and with the discovery of the first subatomic particle.
C'mon man, this is on the wiki page for J.J. Thomson, first paragraph.
