Question

which of these would most likely cause a sound wave? cookies baking milk standing in the bottle a spoon hitting the side of a bowl while mixing butter melting

Explanation:

Sound waves are produced by vibrations. A spoon hitting the side of a bowl creates vibrations, while cookies baking, milk standing, and butter melting do not directly produce vibrations that generate sound waves in the same way.

Answer:

a spoon hitting the side of a bowl while mixing