anacamily84 anacamily84

18-11-2020
Biology

contestada

What two things must be present for a mechanical wave to form?
a. Time & Energy
b. Energy & Resistance
c. Energy & a Medium
d. A Medium & Time

Respuesta :

aaratibhattarai15 aaratibhattarai15

18-11-2020

Answer:

b.energy andresistence

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