The theory of the continental drift explained how the continents had shifted their original positions. Once all joined together, as a "Urkontinent." Many people thought it was the mountains making them sink, but then that was dismissed because continental rocks were too light to sink to the ocean floor.
South Africa is the country back in the 50's to 90's where they used a system of racial segregation between the blacks and other races while the minority of white people got to keep their rights, association and movement.
Answer:
9.5 hours
Explanation:
8:30 AM to 12:00 PM = 3.5 hours
12:00 PM to 6:00 PM = 6 hours
Total = 6 + 3.5 = 9.5 hours
Natural, it is not man made.
