Answer:
The core is made of two layers: the outer core, which borders the mantle, and the inner core. The boundary separating these regions is called the Bullen discontinuity. The outer core, about 2,200 kilometers (1,367 miles) thick, is mostly composed of liquid iron and nickel.
D. in the middle of continents
Answer:
A hurricane is a powerful, rotating storm that forms over warm oceans near the Equator
The creators of the theory could not find a way to answer the question "What force was strong enough to move them?". Another reason why was that they proposed a movement speed of the continents that was incredibly high and impossible to reach.
