The six countries are
- Gabon
- Congo
- The Democratic Republic of the Congo
- Uganda
- Kenya
- Somalia
depends on the plant, most likley C
The texture of sedimentary rocks, like the size of grains or chemical precipitates can show how the rock was formed. The fossils of sedimentary rocks can show when the rock was formed. The stratification and sorting of the particles can show were the rock was formed.
C. urban areas I hope the answer was right if not sorry