Which of these is the southern-most feature of Africa?

A Kalahari
B Rainforest
C Sahara
D Sahel

C Sahara

The southern-most feature of Africa is option A: Kalahari.

To determine which of these is the southern-most feature of Africa, we need to understand the locations of these options and how to identify their positions.

A. Kalahari: The Kalahari Desert is a large semi-arid sandy savannah in southern Africa, covering parts of Botswana, Namibia, and South Africa.
B. Rainforest: The rainforests are primarily found in the central and western regions of Africa, such as the Congo Rainforest.
C. Sahara: The Sahara Desert is located in the northern part of Africa and is one of the largest deserts in the world.
D. Sahel: The Sahel is a transitional zone in Africa between the Sahara Desert in the north and the savannas in the south.

Based on their locations, we can see that the southern-most feature among the given options is the Kalahari Desert (option A). It is located in the southern region of Africa, extending into Botswana, Namibia, and South Africa.

Therefore, the southern-most feature of Africa among the given options is the Kalahari Desert (option A).