Which of the following vegetation belts in Africa is the most extensive?

The most extensive vegetation belt in Africa is the Savannah. Savannah is a grassland with scattered trees that are typically found in tropical and subtropical regions. It covers a large portion of the African continent, stretching from the west coast of Senegal and Mauritania to the east coast of Ethiopia, and from the south of the Sahara desert to the north of the Kalahari desert. The Savannah vegetation belt is extensive because it is adapted to the climate of the region. The climate in Africa is generally warm and dry, with a long dry season and a short rainy season. The Savannah biome has adapted to these conditions by developing deep roots to access water, and by being able to survive long periods without rainfall. The Savannah biome is also home to a diverse range of wildlife, including large grazing animals such as zebras and giraffes, as well as predators such as lions and cheetahs. This diversity of wildlife is due to the abundance of food that is available in the Savannah, which is in turn supported by the grasses and trees that make up the biome. Overall, the Savannah biome is the most extensive vegetation belt in Africa due to its adaptability to the climate, its ability to support a diverse range of wildlife, and its importance as a source of food and livelihood for many people in the region.