The earth has an area called the Ring of Fire because there is a 'ring' of volcanic activity created by border between the Pacific tectonic plate and 6 others.
Three potential careers for geographers include:
Cartographer (mapmaker)
Environmental consultant (ensure governments meet guidelines for environment safety when building cities)
Town planner (develop cities, towns, and rural areas)
For number 2 I would say C because take a square for example which is a quadrilateral has all 90 degree interior angles so does a rectangle. As for number 3 I would say maybe A or B I’m a bit confused to as what the question is asking. Hope this helped a bit though and good luck!
C. formal regions are known as "formal" because of the characteristics known by the people who live there and/or visit there