Canada is the second largest country in the world.
C , relative location. Relative location is when you say that something is north of a certain place. absolute location is when you give the specific longitude and latitude coordinates
Answer: I believe the answer is B. the Sahel
Explanation:
"The Sahel is the ecoclimatic and biogeographic zone of transition in Africa between the Sahara to the north and the Sudanian Savanna to the south"(The Conversation).
The circled area acts as a boundary between what would be the Sahara desert above it so I would go with B.