According to the animation, what are the four primary zones in earth's interior?

The following are the four essential zones in earth's interior: 
1. Crust- is the peripheral strong shell of a rough planet or normal satellite, which is artificially unmistakable from the basic mantle. 
2. Mantle - is a silicate rough shell with a normal thickness of 2,886 kilometers (1,793 mi). The mantle makes up around 84% of Earth's volume. 
3. outer core - Its external limit lies 2,890 km (1,800 mi) underneath Earth's surface. 
4.inner core - is the Earth's deepest part and as per seismological reviews, it has been accepted to be essentially a strong ball with a span of around 1,220 kilometers (760 miles), which is around 70% of the Moon's range.

Answer mauritania is in the northwestern part of african, meaning its in the western hemisphere, and how do i know/ the map showed me so; ///: )