In some areas of africa, the soil quality is very poor, and there is a food shortage. how would technology most likely be useful for this region?

a. convincing people to use less electricity
b. building more coal power plants
c. building power plants that give off less pollution
d. convincing people to use more electricity

The correct answer is letter C.

Explanation: A simple and inexpensive way to improve soil fertility is by installing green manure or mulching, which adds organic materials and nitrogen to the soil, increases biological activity and recovers leached (washed) nutrients to the deepest layers.

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