D. Sound wave, because they (sound waves) need air molecules to travel. Just like in space, there is no air and therefore no sound (since space is a vacuum). Hoped this helped!
Please elaborate more on your question so I can help you
The arrows around the positive point charge illustrates the direction of the electric force/field.
<h3>What is Electric field?</h3>
This is described as an area in which force is exerted om other charged particles or objects.
Arrows could be around the positive or negative point charge and helps to depict the direction of the electric force.
Read more about Electric field here brainly.com/question/14372859
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