Concept:Resources that are used in production are called factors of production.
Explanation:The terms used in production describe the different inputs required to create goods and services.
These inputs include land, labour, capital, and entrepreneurship.
Together, they are known as factors of production.
The other options are narrower: for example, capital is only one factor, while variable and fixed inputs refer to cost behaviour, not the broad classification of resources.
Therefore, the general name for all resources used in production is factors of production.
Answer:B. factors of production