Answer:
The paragraph 5 develops the idea that playing an instrument or singing can help develop the brain when It describes specific areas of the brain that benefit from learning to sing or play an instrument.
Explanation:
The paragraph talks about the effects of learning to play musical instruments on the brain and how a study shows that people who were trained into musical areas, developed language skills and executive functions, that makes them have a better comprehension of different topics and also made them more able to perform do and learn new things.
Yes, It is absolutely used correctly.
Answer: Heading often appears I'm business reports.
Heading improves the skin value of a message.
Explanation: Above options are right, because this will allow reader to understand further.
