Paragraph four of the given passage "music and the brain" explains that the active production in the paragraph means that option (d): "Producing music shows activity in the brain."
<h3>How does music activate the brain?</h3>
Children who learned to play instruments showed changes from those who took a more passive music appreciation lesson.
The act of actively creating music rewired the brain. Scientists were able to observe how strongly the brain responded while students produced music by placing electrodes on the students' heads.
It has been demonstrated that some of the biggest and most varied brain networks are activated by music. Additionally, learning a musical instrument provides excellent verbal and cognitive advantages.
Therefore, option (b) or (ii) the explanation of the words "active production" in paragraph four.
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