Complete the passage to summarize factors affecting the speed of a wave.
The material or substance that a wave moves through is called a
The medium affects the spee
of the wave that passes through it. One factor that affects the speed of a wave is the
of medium.
Some waves move faster in solids and some waves move faster in liquids and gases. Another factor that affects
wave speed is the
of the medium.

The material or substance that a wave moves through is called a  medium . The medium affects the speed of the wave that passes through it. One factor that affects the speed of a wave is the  type of medium. Some waves move faster in solids and some waves move faster in liquids and gases. Another factor that affects wave speed is the  temperature of the medium.

So to recap, the missing words are medium, type, and temperature, in that order. At least, it is on Edge2020

Hope that helped !! <33

answer: i pick a

explanation:

the answer would be c. motion and direction

i hope this : )