Two statements are given in the question below as Assertion (A) and Reasoning (R). Read the statements and choose the appropriate option. Assertion: There is an exact difference of 5 hours and 30 minutes between GMT and IST.
Reason: As India is located towards the east of Greenwich, the IST is ahead of GMT by 5 hours and 30 minutes.

answer; internal; covert processes;

answer; a variety of simple organic compounds could be spontaneously synthesized from components in earths primitive atmosphere;

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.

answerconfirmation bias;