Globally which of the following statements about urbanization and population growth is not true?
a. Approximately 50% of the world's population lives within 50 miles of the coastal zone.
b. The largest agricultural production and computer manufacturing centers are located within the coastal zone.
c. Most of the largest cities in the world are located in the coastal zone due to global commerce.
d. The majority of world trade is conducted from sea ports located in the coastal zone