Among the choices the one that most likely cause a sound wave is C or the a spoon hitting the side of a bowl while mixing <span>because that's going to make a sound.
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C. a spoon hitting the side of a bowl while mixing
Explanation;
A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water, or any other liquid or solid matter) as it propagates away from the source of the sound.
The source is some object that causes a vibration, such as a ringing telephone, or a person's vocal chords.
For example; a spoon hitting the side of a bowl while mixing, produces a sound wave due to the vibration caused by the spoon hitting the walls of the bowl.
I think the correct answer would be that the temperature of the clouds that made the very first stars where thought to be higher since the clouds are made up of hydrogen and helium. Hope this answers the question. Have a nice day.
