Final answer:
Multiple cropping and modern farming methods increase agricultural productivity and income levels through the utilization of physical capital, human capital, and technology.
Explanation:
Multiple cropping and modern farming methods increase agricultural productivity and income levels by utilizing a combination of resources such as physical capital, human capital, and technology. Physical capital, including infrastructure and natural resources, plays a vital role in enhancing agricultural production. Improved technology and innovation, like the development of new crop varieties, further contribute to increased food production.
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