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galben [10]
3 years ago
13

HELP!!!!!!! 40 points! I WILL GIVE BRAINLIEST IF RIGHT

Chemistry
2 answers:
wlad13 [49]3 years ago
5 0
C. All electromagnetic waves travel at the same speed
Korolek [52]3 years ago
4 0
<span>b) High-frequency waves travel somewhat faster than low-frequency waves</span>
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