Natural, it is not man made.
Answer:
Its C
Explanation: Convection currents are in the earth and happen under the plates so its the logical answer.
Which landform covers more than half of the continent of Australia? B. Western Plateau hope this helps :)
D. Obviously because it was large and they didn't have a lot of supplies to go across also it was very deep.
Hope this helps, if not then I’m sorry
