Final answer:
The correct answer to the question is 'capital', which includes man-made resources like buildings, factories, tools, and money used in producing goods and services.
Step-by-step explanation:
Resources made by humans and used to create other goods and services are known as capital. These include man-made objects such as buildings, factories, tools, and financial resources like money. In the context of factors of production, capital refers to objects that assist workers in manufacturing goods or providing services.
The type of resources used in the production process come in various forms, commonly known as inputs or factors of production. Along with labor and materials, capital is crucial for production as it enables and enhances the efficiency of the workforce. For example, a bulldozer is a capital good because it is a result of production processes and also an essential tool used in further construction work.
Therefore, the correct answer to the question is c. capital.