subsistence agriculture is most common in which of the following regions?\na great plains of the united…

subsistence agriculture is most common in which of the following regions?\na great plains of the united states\nb pampas of argentina\nc amazon basin\nd the outback of australia\ne the ruhr valley of germany
Answer
Brief Explanations:
Subsistence agriculture is common in less - developed, rural areas with high population - to - land ratios and limited access to modern farming technology. The Amazon Basin has many indigenous communities and small - scale farmers practicing subsistence agriculture, growing crops mainly for their own consumption. The other regions (Great Plains of US, Pampas of Argentina, Outback of Australia) are more known for commercial agriculture, and the Ruhr Valley of Germany is an industrial region.
Answer:
C. Amazon Basin