Answer:
Seychelles, Bolivia, Qatar.
Explanation:
Seychelles is Africa's most developed country. The country's economic growth is mainly driven by tourism. Bolivia is the poorest country in South America. Qatar is growing fast in preparation for hosting the world cup.
It is done so that the soil of farms is not used for only one set of nutrients. It helps in reducing soil erosion and increases soil fertility and crop yield.
The answer is C. Steel.
Steel is made from humans, the others are minerals.
Command economy is the answer
