Africa's landscape is essentiallya. a series of mountainsb. a large desert sprawling over the continentc. a series of plateaus that rise in elevation stepsd. a series of coniferous and tropical forests

i think its c because plateus include savannahs and some other biomes

the correct answer is C. a series of plateaus that rise in elevation steps.

Explanation: A plateau is a section of land that is comparatively flat, because many reasons. Some plateaus have been formed by erosion and others by volcanic activity. In ancient Africa, these areas would, mostly, have been ideal settling options for settlers as well as the native hunter-gatherers as they would present few challenges in the way of travelling across them or setting up homes and farms. Mountainous regions or those marked with deep valleys, on the other hand, present more problems.

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.

1. artillery

2. jose san martin

3.their economies remained dependent on outside powers.

4. drafted new economies

5. democracies have replaced dictatorships