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Asked by anon-225817 to Sameed, Jose, joannabarstow, Heidi, Chris on 21 Nov 2019.
Question: Is electromagnetism needed?
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Joanna Barstow answered on 21 Nov 2019:
We would be pretty stuck without it! Light is an electromagnetic wave, so without electromagnetism we wouldn’t have light.
Comments
anon-225817 commented on :
Thank You!