The hypothesis of what was that all the continents once were joined as a single super continent and have since drifted apart

Suggest two reasons why irrigation is important for human development of the desert (4 marks)

The climate in the temperate zone is cold in summers and warm in winters very cold year-round very warm year-round warm in summers and cold in winters

Which of the following is not a reason why shenzhen, china, is considered an emerging global city