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svet-max [94.6K]
3 years ago
5

two friends are talking to another person across the building the other person can hear them but not see them why is this?

Physics
1 answer:
Rufina [12.5K]3 years ago
4 0

Answer:

Hey

Say that there was no light on in the building that they were ch,at,tin,g in, then they could hear each other but not see each other.

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