<span>southern great escarpment</span>
Brussels is the capital of Belgium, and Belgium is a country in North-Western continental Europe (only "north" if you don't take into account the Scandinavian Peninsula). It's located between Germany and France.
Within Belgium, Brussels is located in the middle of the country.
Selling grain is the answer.
Most people work in the tertiary sector.
<span>Most people work in the tertiary sector is false because in developing economies most people work in the primary sector or in the secondary sector. the tertiary sector is about services, which are connected to a form of economy that is already developed. In this case, it is rare that people from developing countries work in the tertiary sector.</span>