Desertification in the Sahil has caused a loss of farmland and migration a farmer south for more fertile land. The Sahara desert that stretches across most of northern Africa creates a barrier that divides the African cultural groups in the south from Muslim and air up in the north.
The correct answer here would be ego. According to the famous psychoanalyst Sigmund Freud the ego is middle part in the three part structure of the identity and it is by ego that the thinking and reasoning are controlled. Ego is created by the modification of Id as it comes into contact with world.
"Change form"
-The transition of one rock into another by temperatures and/or pressures unlike those in which it formed.
In middle adulthood, a person is most likely to lose an inch in height.
This happens because as we grow older, our bone density lessens (in the spinal column) which results to a collapsed vertebra. Another reason that people lose around an inch in height during middle adulthood is because joint cartilage in adults get exhausted.
