The correct answer is Only (c). Explanation & Key Takeaways: • Intensive subsistence agriculture is characterized by small landholdings, intensive cultivation, and maximum yield production per hectare. • Animal husbandry often complements this type of agriculture to support farming activities. • The vast size of the farm is not a characteristic of intensive subsistence agriculture, as it is practiced on small plots of land. Related Concepts: • Intensive subsistence agriculture is commonly practiced in densely populated regions, particularly in parts of Asia. • Farmers in this system often rely on manual labor and traditional farming tools due to the small size of their farms. • This type of agriculture is highly efficient in terms of land use, ensuring maximum output from minimal land area.