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The ………………………. is the substance/material travels through

1. Energy
2. Medium
3. Transverse
4. Longitudinal

2 Answers

3 votes

Answer:

Medium

Step-by-step explanation:

User Solarce
by
5.8k points
2 votes

Answer:

energy

Step-by-step explanation:

the energy is the substance

User Feupeu
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