When you do poorly on a test, you remind yourself of all the distractions you had at school that week. Certainly you are smart enough—you just had too many situational factors that interfered with your studies. You may be displaying the

answer; substantive law;

answer; underachivement;

answer; compulsions is a term that refers to repetitive behaviors performed;

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.