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svlad2 [7]
2 years ago
10

Scientists have created trains that use magnets to make the trains float above the tracks as they travel. These trains float bec

ause
(a) the track is waxed (c) the like poles repel
(b) the train has a low density (d) a chemical change occurs
Biology
1 answer:
Arada [10]2 years ago
7 0

Answer:

the poles repel

Explanation:

i believe this is the best answer

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