I think the answer is biopsy :)
The approach to foreign affairs that grew out of xenophobia is isolationism. This is a policy of remaining apart from the interests of the affairs of other groups of people, especially the political affairs of other states or countries. The main point was to ensure no direct socialization that might cause people to brush shoulders with each other. This has been seen in countries such as South Africa.
Answer:
Temperatures in the atmosphere decrease with height at an average rate of 6.5°C/km. Because the troposphere experiences its warmest temperatures closer to Earth's surface, there is great vertical movement of heat and water vapour, causing turbulence.
When we are little we see the way our parents or elders act and that tells our brain that is the correct way to act. As we grow up the things they tell us we will become is what we think will happen and so we do that in fear that we will disappoint them.