1. One tectonic plate that is mostly ocean is the Pacific Plate, and one that is mostly land is the Eurasian Plate.
2. To the north of the African plate is the Eurasian Plate, to the south is the Antarctic Plate, to the east is the Indo-Australian Plate, and to the west is the South American Plate.
3. South Africa is part of the African Plate.
4.
A. Tectonic plates move on top of the mantle.
B. Convection currents in the mantle cause Earth's tectonic plates to move.
C. New land is made when a tectonic plate subducts or diverges.