PLEASE HELP!!! FIRST IS BRAINLIEST!!!

The material or substance that a wave moves through is called a _____
. The medium affects the speed 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.

Respuesta :

1. A Medium

2.  One of these 4, the refractive index of the medium  Choose whichever are on the test.

3. 
properties and nature of medium, Hope this helps.

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. 

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