Respuesta :

mahdhizulfiquar

20 degrees.

Sound travels faster when the medium (something to travel through) is less dense.

For example, Air is less dense than water, water is less dense than a solid.

In this case, since we are working with water, the colder the temperature of water, the denser it is. Likewise, the hotter the temperature of water, it gets less denser.

If this helped, please mark branliest.

The sound travels slowest through 20 degree temperature of water. The correct option is a.

What is sound wave?

A sound wave is a result of compression and rarefaction, by which sound is propagated in a material medium such as air.

Sound travels faster when the medium is less dense. In case of air, which is less dense than water.

When the temperature is increased, the object becomes less dense than previous state of the object. The sound wave travels faster in rarer medium than the denser medium.

So, sound travels slowest through 20 degree temperature of water.

Thus, the correct option is a.

Learn more about  sound wave.

brainly.com/question/11797560

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