WAVES ALWAYS ORIGINATE WITH SOME
a
person
b
object
C
disturbance...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 15.04.2021 21:30 4300252063
WAVES ALWAYS ORIGINATE WITH SOME
a
person
b
object
C
disturbance
![ansver](/tpl/images/cats/User.png)
Answers: 3
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