Hi I was wondering if someone summarises this for me?? ill appreciate it thank you (ps. the summary can only be 1-3 sentences long)

i am pretty sure it is d.

answer; health-related quality of life;

wheres the question? imao

i believe the answer is: true

our brain need to reach a certain level of development   before it could interpret and understood sound with high difficulties. to proof this, we just need to pay attention in musical preference between children and adults. it is far less likely that children would enjoy things such as orchestra or rock band as much as adults due to the difference in this ability.